125404525 has 6 divisors (see below), whose sum is σ = 155501642. Its totient is φ = 100323600.

The previous prime is 125404501. The next prime is 125404537. The reversal of 125404525 is 525404521.

It can be written as a sum of positive squares in 3 ways, for example, as 4272489 + 121132036 = 2067^2 + 11006^2 .

It is not a de Polignac number, because 125404525 - 2⁵ = 125404493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125404493 and 125404502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2508066 + ... + 2508115.

Almost surely, 2^125404525 is an apocalyptic number.

It is an amenable number.

125404525 is a deficient number, since it is larger than the sum of its proper divisors (30097117).

125404525 is an equidigital number, since it uses as much as digits as its factorization.

125404525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016191 (or 5016186 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 125404525 is about 11198.4161826573. The cubic root of 125404525 is about 500.5387858777.

The spelling of 125404525 in words is "one hundred twenty-five million, four hundred four thousand, five hundred twenty-five".