253274332261 has 8 divisors (see below), whose sum is σ = 268188992064. Its totient is φ = 238361469120.

The previous prime is 253274332253. The next prime is 253274332271. The reversal of 253274332261 is 162233472352.

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

It is a cyclic number.

It is not a de Polignac number, because 253274332261 - 2³ = 253274332253 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 (253274332211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153355 + ... + 728056.

It is an arithmetic number, because the mean of its divisors is an integer number (33523624008).

Almost surely, 2^253274332261 is an apocalyptic number.

It is an amenable number.

253274332261 is a deficient number, since it is larger than the sum of its proper divisors (14914659803).

253274332261 is a wasteful number, since it uses less digits than its factorization.

253274332261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898331.

The product of its digits is 362880, while the sum is 40.

The spelling of 253274332261 in words is "two hundred fifty-three billion, two hundred seventy-four million, three hundred thirty-two thousand, two hundred sixty-one".