252541135304 has 8 divisors (see below), whose sum is σ = 473514628710. Its totient is φ = 126270567648.

The previous prime is 252541135277. The next prime is 252541135307. The reversal of 252541135304 is 403531145252.

It can be written as a sum of positive squares in only one way, i.e., 173720572804 + 78820562500 = 416798^2 + 280750^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (252541135307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15783820949 + ... + 15783820964.

Almost surely, 2^252541135304 is an apocalyptic number.

It is an amenable number.

252541135304 is a deficient number, since it is larger than the sum of its proper divisors (220973493406).

252541135304 is a wasteful number, since it uses less digits than its factorization.

252541135304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31567641919 (or 31567641915 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 252541135304 in words is "two hundred fifty-two billion, five hundred forty-one million, one hundred thirty-five thousand, three hundred four".