525383287 has 16 divisors (see below), whose sum is σ = 624183840. Its totient is φ = 435916800.

The previous prime is 525383251. The next prime is 525383303. The reversal of 525383287 is 782383525.

It is a de Polignac number, because none of the positive numbers 2^k-525383287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525383237) 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, 7914 + ... + 33367.

It is an arithmetic number, because the mean of its divisors is an integer number (39011490).

Almost surely, 2^525383287 is an apocalyptic number.

525383287 is a deficient number, since it is larger than the sum of its proper divisors (98800553).

525383287 is a wasteful number, since it uses less digits than its factorization.

525383287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41394.

The product of its digits is 403200, while the sum is 43.

The square root of 525383287 is about 22921.2409568069. The cubic root of 525383287 is about 806.9105946926.

The spelling of 525383287 in words is "five hundred twenty-five million, three hundred eighty-three thousand, two hundred eighty-seven".