525021142 has 16 divisors (see below), whose sum is σ = 807166800. Its totient is φ = 255985632.

The previous prime is 525021131. The next prime is 525021173. The reversal of 525021142 is 241120525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51484 + ... + 60832.

It is an arithmetic number, because the mean of its divisors is an integer number (50447925).

Almost surely, 2^525021142 is an apocalyptic number.

525021142 is a deficient number, since it is larger than the sum of its proper divisors (282145658).

525021142 is a wasteful number, since it uses less digits than its factorization.

525021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10047.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 525021142 is about 22913.3398263981. The cubic root of 525021142 is about 806.7251517902.

Adding to 525021142 its reverse (241120525), we get a palindrome (766141667).

The spelling of 525021142 in words is "five hundred twenty-five million, twenty-one thousand, one hundred forty-two".