525494372 has 12 divisors (see below), whose sum is σ = 990354876. Its totient is φ = 242535840.

The previous prime is 525494329. The next prime is 525494383. The reversal of 525494372 is 273494525.

It can be written as a sum of positive squares in 2 ways, for example, as 275095396 + 250398976 = 16586^2 + 15824^2 .

It is a super-2 number, since 2×525494372² = 552288670007348768, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052779 + ... + 5052882.

It is an arithmetic number, because the mean of its divisors is an integer number (82529573).

Almost surely, 2^525494372 is an apocalyptic number.

525494372 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

525494372 is a deficient number, since it is larger than the sum of its proper divisors (464860504).

525494372 is a wasteful number, since it uses less digits than its factorization.

525494372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105678 (or 10105676 counting only the distinct ones).

The product of its digits is 302400, while the sum is 41.

The square root of 525494372 is about 22923.6640177787. The cubic root of 525494372 is about 806.9674606982.

The spelling of 525494372 in words is "five hundred twenty-five million, four hundred ninety-four thousand, three hundred seventy-two".