1065625157 has 2 divisors, whose sum is σ = 1065625158. Its totient is φ = 1065625156.

The previous prime is 1065625153. The next prime is 1065625181. The reversal of 1065625157 is 7515265601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 555497761 + 510127396 = 23569^2 + 22586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065625157 - 2² = 1065625153 is a prime.

It is a super-2 number, since 2×1065625157² = 2271113950462549298, 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 1065625157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1065625153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532812578 + 532812579.

It is an arithmetic number, because the mean of its divisors is an integer number (532812579).

Almost surely, 2^1065625157 is an apocalyptic number.

It is an amenable number.

1065625157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1065625157 is an equidigital number, since it uses as much as digits as its factorization.

1065625157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 38.

The square root of 1065625157 is about 32643.9145477377. The cubic root of 1065625157 is about 1021.4132521132.

The spelling of 1065625157 in words is "one billion, sixty-five million, six hundred twenty-five thousand, one hundred fifty-seven".