525210442 has 8 divisors (see below), whose sum is σ = 788145732. Its totient is φ = 262495200.

The previous prime is 525210437. The next prime is 525210473. The reversal of 525210442 is 244012525.

It can be written as a sum of positive squares in 2 ways, for example, as 507645961 + 17564481 = 22531^2 + 4191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48909 + ... + 58672.

Almost surely, 2^525210442 is an apocalyptic number.

525210442 is a deficient number, since it is larger than the sum of its proper divisors (262935290).

525210442 is a wasteful number, since it uses less digits than its factorization.

525210442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110024.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 525210442 is about 22917.4702356085. The cubic root of 525210442 is about 806.8220969154.

Adding to 525210442 its reverse (244012525), we get a palindrome (769222967).

The spelling of 525210442 in words is "five hundred twenty-five million, two hundred ten thousand, four hundred forty-two".