525989347 has 12 divisors (see below), whose sum is σ = 576786720. Its totient is φ = 479370528.

The previous prime is 525989341. The next prime is 525989351. The reversal of 525989347 is 743989525.

It is not a de Polignac number, because 525989347 - 2³ = 525989339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 525989294 and 525989303.

It is not an unprimeable number, because it can be changed into a prime (525989341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6348 + ... + 33049.

It is an arithmetic number, because the mean of its divisors is an integer number (48065560).

Almost surely, 2^525989347 is an apocalyptic number.

525989347 is a deficient number, since it is larger than the sum of its proper divisors (50797373).

525989347 is a wasteful number, since it uses less digits than its factorization.

525989347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39502 (or 39489 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 525989347 is about 22934.4576347469. The cubic root of 525989347 is about 807.2207481391.

The spelling of 525989347 in words is "five hundred twenty-five million, nine hundred eighty-nine thousand, three hundred forty-seven".