525363381 has 16 divisors (see below), whose sum is σ = 797301120. Its totient is φ = 341699040.

The previous prime is 525363373. The next prime is 525363403. The reversal of 525363381 is 183363525.

It is not a de Polignac number, because 525363381 - 2³ = 525363373 is a prime.

It is a super-2 number, since 2×525363381² = 552013364191502322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525363341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236185 + ... + 238398.

It is an arithmetic number, because the mean of its divisors is an integer number (49831320).

Almost surely, 2^525363381 is an apocalyptic number.

It is an amenable number.

525363381 is a deficient number, since it is larger than the sum of its proper divisors (271937739).

525363381 is a wasteful number, since it uses less digits than its factorization.

525363381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474633 (or 474627 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 525363381 is about 22920.8067266403. The cubic root of 525363381 is about 806.9004036787.

The spelling of 525363381 in words is "five hundred twenty-five million, three hundred sixty-three thousand, three hundred eighty-one".