253274372761 has 8 divisors (see below), whose sum is σ = 260670382560. Its totient is φ = 245981803872.

The previous prime is 253274372749. The next prime is 253274372783. The reversal of 253274372761 is 167273472352.

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 253274372761 - 2¹³ = 253274364569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253274322761) 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, 25855260 + ... + 25865053.

It is an arithmetic number, because the mean of its divisors is an integer number (32583797820).

Almost surely, 2^253274372761 is an apocalyptic number.

It is an amenable number.

253274372761 is a deficient number, since it is larger than the sum of its proper divisors (7396009799).

253274372761 is an equidigital number, since it uses as much as digits as its factorization.

253274372761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51720455.

The product of its digits is 2963520, while the sum is 49.

The spelling of 253274372761 in words is "two hundred fifty-three billion, two hundred seventy-four million, three hundred seventy-two thousand, seven hundred sixty-one".