525522542 has 4 divisors (see below), whose sum is σ = 788283816. Its totient is φ = 262761270.

The previous prime is 525522527. The next prime is 525522587. The reversal of 525522542 is 245225525.

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

It is a junction number, because it is equal to n+sod(n) for n = 525522499 and 525522508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131380634 + ... + 131380637.

It is an arithmetic number, because the mean of its divisors is an integer number (197070954).

Almost surely, 2^525522542 is an apocalyptic number.

525522542 is a deficient number, since it is larger than the sum of its proper divisors (262761274).

525522542 is a wasteful number, since it uses less digits than its factorization.

525522542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262761273.

The product of its digits is 40000, while the sum is 32.

The square root of 525522542 is about 22924.2784401167. The cubic root of 525522542 is about 806.9818800516.

The spelling of 525522542 in words is "five hundred twenty-five million, five hundred twenty-two thousand, five hundred forty-two".