525879378 has 40 divisors (see below), whose sum is σ = 1240385520. Its totient is φ = 166066200.

The previous prime is 525879317. The next prime is 525879421. The reversal of 525879378 is 873978525.

525879378 is a `hidden beast` number, since 52 + 587 + 9 + 3 + 7 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 82348 + ... + 88503.

It is an arithmetic number, because the mean of its divisors is an integer number (31009638).

Almost surely, 2^525879378 is an apocalyptic number.

525879378 is an abundant number, since it is smaller than the sum of its proper divisors (714506142).

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

525879378 is a wasteful number, since it uses less digits than its factorization.

525879378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170884 (or 170875 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 54.

The square root of 525879378 is about 22932.0600470171. The cubic root of 525879378 is about 807.1644887959.

The spelling of 525879378 in words is "five hundred twenty-five million, eight hundred seventy-nine thousand, three hundred seventy-eight".