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1407558241 is a prime number
BaseRepresentation
bin101001111100101…
…1010001001100001
310122002120100220201
41103321122021201
510340313330431
6351400505201
746611022225
oct12371321141
93562510821
101407558241
11662591381
1233347b201
131957c6acb
14d4d1c785
1583889461
hex53e5a261

1407558241 has 2 divisors, whose sum is σ = 1407558242. Its totient is φ = 1407558240.

The previous prime is 1407558233. The next prime is 1407558253. The reversal of 1407558241 is 1428557041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 870014016 + 537544225 = 29496^2 + 23185^2 .

It is a cyclic number.

It is not a de Polignac number, because 1407558241 - 23 = 1407558233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1407558241.

It is not a weakly prime, because it can be changed into another prime (1407558281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 703779120 + 703779121.

It is an arithmetic number, because the mean of its divisors is an integer number (703779121).

Almost surely, 21407558241 is an apocalyptic number.

It is an amenable number.

1407558241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1407558241 is an equidigital number, since it uses as much as digits as its factorization.

1407558241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The square root of 1407558241 is about 37517.4391583434. The cubic root of 1407558241 is about 1120.6985016210.

It can be divided in two parts, 140755 and 8241, that added together give a square (148996 = 3862).

The spelling of 1407558241 in words is "one billion, four hundred seven million, five hundred fifty-eight thousand, two hundred forty-one".