525406052 has 6 divisors (see below), whose sum is σ = 919460598. Its totient is φ = 262703024.

The previous prime is 525406009. The next prime is 525406061. The reversal of 525406052 is 250604525.

It can be written as a sum of positive squares in only one way, i.e., 448422976 + 76983076 = 21176^2 + 8774^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65675753 + ... + 65675760.

It is an arithmetic number, because the mean of its divisors is an integer number (153243433).

Almost surely, 2^525406052 is an apocalyptic number.

It is an amenable number.

525406052 is a deficient number, since it is larger than the sum of its proper divisors (394054546).

525406052 is a wasteful number, since it uses less digits than its factorization.

525406052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131351517 (or 131351515 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 525406052 is about 22921.7375432143. The cubic root of 525406052 is about 806.9222490758.

The spelling of 525406052 in words is "five hundred twenty-five million, four hundred six thousand, fifty-two".