526400125 has 16 divisors (see below), whose sum is σ = 657813312. Its totient is φ = 420565200.

The previous prime is 526400117. The next prime is 526400137. The reversal of 526400125 is 521004625.

It is not a de Polignac number, because 526400125 - 2³ = 526400117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 526400125.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111054 + ... + 115696.

It is an arithmetic number, because the mean of its divisors is an integer number (41113332).

Almost surely, 2^526400125 is an apocalyptic number.

It is an amenable number.

526400125 is a deficient number, since it is larger than the sum of its proper divisors (131413187).

526400125 is an equidigital number, since it uses as much as digits as its factorization.

526400125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5565 (or 5555 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 526400125 is about 22943.4113636137. The cubic root of 526400125 is about 807.4308298606.

The spelling of 526400125 in words is "five hundred twenty-six million, four hundred thousand, one hundred twenty-five".