525431542 has 4 divisors (see below), whose sum is σ = 788147316. Its totient is φ = 262715770.

The previous prime is 525431519. The next prime is 525431549. The reversal of 525431542 is 245134525.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525431549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131357884 + ... + 131357887.

It is an arithmetic number, because the mean of its divisors is an integer number (197036829).

Almost surely, 2^525431542 is an apocalyptic number.

525431542 is a deficient number, since it is larger than the sum of its proper divisors (262715774).

525431542 is a wasteful number, since it uses less digits than its factorization.

525431542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262715773.

The product of its digits is 24000, while the sum is 31.

The square root of 525431542 is about 22922.2935588915. The cubic root of 525431542 is about 806.9352981042.

The spelling of 525431542 in words is "five hundred twenty-five million, four hundred thirty-one thousand, five hundred forty-two".