538015252 has 12 divisors (see below), whose sum is σ = 996910740. Its totient is φ = 253183616.

The previous prime is 538015217. The next prime is 538015271. The reversal of 538015252 is 252510835.

It can be written as a sum of positive squares in 2 ways, for example, as 332551696 + 205463556 = 18236^2 + 14334^2 .

It is a super-2 number, since 2×538015252² = 578920822769247008, which contains 22 as substring.

It is a congruent number.

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, 3955927 + ... + 3956062.

It is an arithmetic number, because the mean of its divisors is an integer number (83075895).

Almost surely, 2^538015252 is an apocalyptic number.

It is an amenable number.

538015252 is a deficient number, since it is larger than the sum of its proper divisors (458895488).

538015252 is a wasteful number, since it uses less digits than its factorization.

538015252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912010 (or 7912008 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 538015252 is about 23195.1557873622. The cubic root of 538015252 is about 813.3263870379.

The spelling of 538015252 in words is "five hundred thirty-eight million, fifteen thousand, two hundred fifty-two".