125952257 has 2 divisors, whose sum is σ = 125952258. Its totient is φ = 125952256.

The previous prime is 125952223. The next prime is 125952259. The reversal of 125952257 is 752259521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91565761 + 34386496 = 9569^2 + 5864^2 .

It is a cyclic number.

It is not a de Polignac number, because 125952257 - 2¹⁶ = 125886721 is a prime.

Together with 125952259, it forms a pair of twin primes.

It is a Chen prime.

It is a pancake number, because a pancake can be divided into 125952257 parts by 15871 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 125952257.

It is not a weakly prime, because it can be changed into another prime (125952259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62976128 + 62976129.

It is an arithmetic number, because the mean of its divisors is an integer number (62976129).

Almost surely, 2^125952257 is an apocalyptic number.

It is an amenable number.

125952257 is a deficient number, since it is larger than the sum of its proper divisors (1).

125952257 is an equidigital number, since it uses as much as digits as its factorization.

125952257 is an evil number, because the sum of its binary digits is even.

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

The square root of 125952257 is about 11222.8453165853. The cubic root of 125952257 is about 501.2664654222.

The spelling of 125952257 in words is "one hundred twenty-five million, nine hundred fifty-two thousand, two hundred fifty-seven".