125572563 has 12 divisors (see below), whose sum is σ = 181693200. Its totient is φ = 83571696.

The previous prime is 125572549. The next prime is 125572567. The reversal of 125572563 is 365275521.

125572563 is a `hidden beast` number, since 1 + 25 + 5 + 72 + 563 = 666.

It is not a de Polignac number, because 125572563 - 2⁴ = 125572547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125572567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6256 + ... + 17037.

It is an arithmetic number, because the mean of its divisors is an integer number (15141100).

Almost surely, 2^125572563 is an apocalyptic number.

125572563 is a deficient number, since it is larger than the sum of its proper divisors (56120637).

125572563 is a wasteful number, since it uses less digits than its factorization.

125572563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23898 (or 23895 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 125572563 is about 11205.9164283873. The cubic root of 125572563 is about 500.7622546784.

The spelling of 125572563 in words is "one hundred twenty-five million, five hundred seventy-two thousand, five hundred sixty-three".