1032172657 has 2 divisors, whose sum is σ = 1032172658. Its totient is φ = 1032172656.

The previous prime is 1032172639. The next prime is 1032172681. The reversal of 1032172657 is 7562712301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 813162256 + 219010401 = 28516^2 + 14799^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032172657 - 2⁷ = 1032172529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1032172157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516086328 + 516086329.

It is an arithmetic number, because the mean of its divisors is an integer number (516086329).

Almost surely, 2^1032172657 is an apocalyptic number.

It is an amenable number.

1032172657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032172657 is an equidigital number, since it uses as much as digits as its factorization.

1032172657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 1032172657 is about 32127.4439848551. The cubic root of 1032172657 is about 1010.6112226855.

Adding to 1032172657 its reverse (7562712301), we get a palindrome (8594884958).

The spelling of 1032172657 in words is "one billion, thirty-two million, one hundred seventy-two thousand, six hundred fifty-seven".