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75450601 is a prime number
BaseRepresentation
bin1000111111101…
…00100011101001
312020222021202201
410133310203221
5123303404401
611253100201
71604214412
oct437644351
9166867681
1075450601
1139654176
1221327661
1312829735
14a040809
156955b01
hex47f48e9

75450601 has 2 divisors, whose sum is σ = 75450602. Its totient is φ = 75450600.

The previous prime is 75450533. The next prime is 75450647. The reversal of 75450601 is 10605457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41216400 + 34234201 = 6420^2 + 5851^2 .

It is an emirp because it is prime and its reverse (10605457) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75450601 - 211 = 75448553 is a prime.

It is a super-2 number, since 2×754506012 = 11385586382522402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 75450601.

It is not a weakly prime, because it can be changed into another prime (75450101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37725300 + 37725301.

It is an arithmetic number, because the mean of its divisors is an integer number (37725301).

Almost surely, 275450601 is an apocalyptic number.

It is an amenable number.

75450601 is a deficient number, since it is larger than the sum of its proper divisors (1).

75450601 is an equidigital number, since it uses as much as digits as its factorization.

75450601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 75450601 is about 8686.2305403437. The cubic root of 75450601 is about 422.5592060161.

The spelling of 75450601 in words is "seventy-five million, four hundred fifty thousand, six hundred one".