525425400 has 96 divisors (see below), whose sum is σ = 1809817200. Its totient is φ = 140112000.

The previous prime is 525425399. The next prime is 525425401. The reversal of 525425400 is 4524525.

525425400 is a `hidden beast` number, since 5 + 254 + 2 + 5 + 400 = 666.

It is an interprime number because it is at equal distance from previous prime (525425399) and next prime (525425401).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525425401) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 43251 + ... + 54050.

Almost surely, 2^525425400 is an apocalyptic number.

525425400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

525425400 is an abundant number, since it is smaller than the sum of its proper divisors (1284391800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

525425400 is a wasteful number, since it uses less digits than its factorization.

525425400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97326 (or 97311 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 525425400 is about 22922.1595841230. The cubic root of 525425400 is about 806.9321538849.

Adding to 525425400 its reverse (4524525), we get a palindrome (529949925).

It can be divided in two parts, 525425 and 400, that added together give a triangular number (525825 = T₁₀₂₅).

The spelling of 525425400 in words is "five hundred twenty-five million, four hundred twenty-five thousand, four hundred".