525189044 has 6 divisors (see below), whose sum is σ = 919080834. Its totient is φ = 262594520.

The previous prime is 525189037. The next prime is 525189103. The reversal of 525189044 is 440981525.

It can be written as a sum of positive squares in only one way, i.e., 520296100 + 4892944 = 22810^2 + 2212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 525188989 and 525189007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65648627 + ... + 65648634.

It is an arithmetic number, because the mean of its divisors is an integer number (153180139).

Almost surely, 2^525189044 is an apocalyptic number.

It is an amenable number.

525189044 is a deficient number, since it is larger than the sum of its proper divisors (393891790).

525189044 is a wasteful number, since it uses less digits than its factorization.

525189044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131297265 (or 131297263 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 525189044 is about 22917.0033817687. The cubic root of 525189044 is about 806.8111396480.

The spelling of 525189044 in words is "five hundred twenty-five million, one hundred eighty-nine thousand, forty-four".