157725037 has 2 divisors, whose sum is σ = 157725038. Its totient is φ = 157725036.

The previous prime is 157725017. The next prime is 157725049. The reversal of 157725037 is 730527751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119705481 + 38019556 = 10941^2 + 6166^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157725037 is a prime.

It is equal to p_8854066 and since 157725037 and 8854066 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 157724987 and 157725005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157725017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78862518 + 78862519.

It is an arithmetic number, because the mean of its divisors is an integer number (78862519).

Almost surely, 2^157725037 is an apocalyptic number.

It is an amenable number.

157725037 is a deficient number, since it is larger than the sum of its proper divisors (1).

157725037 is an equidigital number, since it uses as much as digits as its factorization.

157725037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51450, while the sum is 37.

The square root of 157725037 is about 12558.8628864241. The cubic root of 157725037 is about 540.2982314671.

The spelling of 157725037 in words is "one hundred fifty-seven million, seven hundred twenty-five thousand, thirty-seven".