525134487 has 4 divisors (see below), whose sum is σ = 700179320. Its totient is φ = 350089656.

The previous prime is 525134473. The next prime is 525134503. The reversal of 525134487 is 784431525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 525134487 - 2⁷ = 525134359 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 (525134287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87522412 + ... + 87522417.

It is an arithmetic number, because the mean of its divisors is an integer number (175044830).

Almost surely, 2^525134487 is an apocalyptic number.

525134487 is a deficient number, since it is larger than the sum of its proper divisors (175044833).

525134487 is a wasteful number, since it uses less digits than its factorization.

525134487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175044832.

The product of its digits is 134400, while the sum is 39.

The square root of 525134487 is about 22915.8130337983. The cubic root of 525134487 is about 806.7832013148.

The spelling of 525134487 in words is "five hundred twenty-five million, one hundred thirty-four thousand, four hundred eighty-seven".