1525623125 has 40 divisors (see below), whose sum is σ = 2074136064. Its totient is φ = 1115064000.

The previous prime is 1525623103. The next prime is 1525623133. The reversal of 1525623125 is 5213265251.

It is not a de Polignac number, because 1525623125 - 2⁸ = 1525622869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1525623091 and 1525623100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 835964 + ... + 837786.

Almost surely, 2^1525623125 is an apocalyptic number.

It is an amenable number.

1525623125 is a deficient number, since it is larger than the sum of its proper divisors (548512939).

1525623125 is a wasteful number, since it uses less digits than its factorization.

1525623125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1944 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 1525623125 is about 39059.2258627843. The cubic root of 1525623125 is about 1151.1955116284.

Adding to 1525623125 its reverse (5213265251), we get a palindrome (6738888376).

The spelling of 1525623125 in words is "one billion, five hundred twenty-five million, six hundred twenty-three thousand, one hundred twenty-five".