525313240 has 16 divisors (see below), whose sum is σ = 1181954880. Its totient is φ = 210125280.

The previous prime is 525313231. The next prime is 525313249. The reversal of 525313240 is 42313525.

It is an interprime number because it is at equal distance from previous prime (525313231) and next prime (525313249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525313249) 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 3 ways as a sum of consecutive naturals, for example, 6566376 + ... + 6566455.

It is an arithmetic number, because the mean of its divisors is an integer number (73872180).

Almost surely, 2^525313240 is an apocalyptic number.

It is an amenable number.

525313240 is an abundant number, since it is smaller than the sum of its proper divisors (656641640).

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

525313240 is a wasteful number, since it uses less digits than its factorization.

525313240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13132842 (or 13132838 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 525313240 is about 22919.7129126872. The cubic root of 525313240 is about 806.8747325072.

Adding to 525313240 its reverse (42313525), we get a palindrome (567626765).

The spelling of 525313240 in words is "five hundred twenty-five million, three hundred thirteen thousand, two hundred forty".