253417162361 has 4 divisors (see below), whose sum is σ = 276455086224. Its totient is φ = 230379238500.

The previous prime is 253417162307. The next prime is 253417162373. The reversal of 253417162361 is 163261714352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253417162361 - 2²² = 253412968057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253417162381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11518961915 + ... + 11518961936.

It is an arithmetic number, because the mean of its divisors is an integer number (69113771556).

Almost surely, 2^253417162361 is an apocalyptic number.

It is an amenable number.

253417162361 is a deficient number, since it is larger than the sum of its proper divisors (23037923863).

253417162361 is a wasteful number, since it uses less digits than its factorization.

253417162361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23037923862.

The product of its digits is 181440, while the sum is 41.

The spelling of 253417162361 in words is "two hundred fifty-three billion, four hundred seventeen million, one hundred sixty-two thousand, three hundred sixty-one".