525257338 has 32 divisors (see below), whose sum is σ = 833405760. Its totient is φ = 247927680.

The previous prime is 525257323. The next prime is 525257351. The reversal of 525257338 is 833752525.

It is a super-2 number, since 2×525257338² = 551790542245692488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525257338.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554181 + ... + 555127.

It is an arithmetic number, because the mean of its divisors is an integer number (26043930).

Almost surely, 2^525257338 is an apocalyptic number.

525257338 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

525257338 is a deficient number, since it is larger than the sum of its proper divisors (308148422).

525257338 is a wasteful number, since it uses less digits than its factorization.

525257338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 252000, while the sum is 40.

The square root of 525257338 is about 22918.4933623482. The cubic root of 525257338 is about 806.8461098951.

The spelling of 525257338 in words is "five hundred twenty-five million, two hundred fifty-seven thousand, three hundred thirty-eight".