655165037 has 2 divisors, whose sum is σ = 655165038. Its totient is φ = 655165036.

The previous prime is 655165033. The next prime is 655165079. The reversal of 655165037 is 730561556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 371949796 + 283215241 = 19286^2 + 16829^2 .

It is a cyclic number.

It is not a de Polignac number, because 655165037 - 2² = 655165033 is a prime.

It is a super-2 number, since 2×655165037² = 858482451414422738, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655165033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327582518 + 327582519.

It is an arithmetic number, because the mean of its divisors is an integer number (327582519).

Almost surely, 2^655165037 is an apocalyptic number.

It is an amenable number.

655165037 is a deficient number, since it is larger than the sum of its proper divisors (1).

655165037 is an equidigital number, since it uses as much as digits as its factorization.

655165037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94500, while the sum is 38.

The square root of 655165037 is about 25596.1918456633. The cubic root of 655165037 is about 868.5274941644.

The spelling of 655165037 in words is "six hundred fifty-five million, one hundred sixty-five thousand, thirty-seven".