253333512261 has 6 divisors (see below), whose sum is σ = 365926184390. Its totient is φ = 168889008168.

The previous prime is 253333512239. The next prime is 253333512277. The reversal of 253333512261 is 162215333352.

253333512261 is a `hidden beast` number, since 2 + 53 + 3 + 33 + 512 + 2 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 251521307361 + 1812204900 = 501519^2 + 42570^2 .

It is not a de Polignac number, because 253333512261 - 2¹⁰ = 253333511237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253333582261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14074084006 + ... + 14074084023.

Almost surely, 2^253333512261 is an apocalyptic number.

It is an amenable number.

253333512261 is a deficient number, since it is larger than the sum of its proper divisors (112592672129).

253333512261 is a wasteful number, since it uses less digits than its factorization.

253333512261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28148168035 (or 28148168032 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The spelling of 253333512261 in words is "two hundred fifty-three billion, three hundred thirty-three million, five hundred twelve thousand, two hundred sixty-one".