253110141621 has 6 divisors (see below), whose sum is σ = 365603537910. Its totient is φ = 168740094408.

The previous prime is 253110141577. The next prime is 253110141653. The reversal of 253110141621 is 126141011352.

253110141621 is a `hidden beast` number, since 2 + 5 + 31 + 1 + 0 + 1 + 4 + 1 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 149223827025 + 103886314596 = 386295^2 + 322314^2 .

It is not a de Polignac number, because 253110141621 - 2²⁵ = 253076587189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253110141821) 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, 14061674526 + ... + 14061674543.

It is an arithmetic number, because the mean of its divisors is an integer number (60933922985).

Almost surely, 2^253110141621 is an apocalyptic number.

It is an amenable number.

253110141621 is a deficient number, since it is larger than the sum of its proper divisors (112493396289).

253110141621 is a wasteful number, since it uses less digits than its factorization.

253110141621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28123349075 (or 28123349072 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 253110141621 its reverse (126141011352), we get a palindrome (379251152973).

The spelling of 253110141621 in words is "two hundred fifty-three billion, one hundred ten million, one hundred forty-one thousand, six hundred twenty-one".