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151875397 is a prime number
BaseRepresentation
bin10010000110101…
…10111101000101
3101120210001212201
421003112331011
5302340003042
623023114501
73522630262
oct1103267505
9346701781
10151875397
1178803263
1242a42a31
13256076cb
1416256269
15d5001b7
hex90d6f45

151875397 has 2 divisors, whose sum is σ = 151875398. Its totient is φ = 151875396.

The previous prime is 151875391. The next prime is 151875469. The reversal of 151875397 is 793578151.

151875397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136399041 + 15476356 = 11679^2 + 3934^2 .

It is an emirp because it is prime and its reverse (793578151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151875397 - 211 = 151873349 is a prime.

It is a super-2 number, since 2×1518753972 = 46132272427815218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151875391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75937698 + 75937699.

It is an arithmetic number, because the mean of its divisors is an integer number (75937699).

Almost surely, 2151875397 is an apocalyptic number.

It is an amenable number.

151875397 is a deficient number, since it is larger than the sum of its proper divisors (1).

151875397 is an equidigital number, since it uses as much as digits as its factorization.

151875397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 46.

The square root of 151875397 is about 12323.7736509561. The cubic root of 151875397 is about 533.5344605576.

The spelling of 151875397 in words is "one hundred fifty-one million, eight hundred seventy-five thousand, three hundred ninety-seven".