253400588641 has 2 divisors, whose sum is σ = 253400588642. Its totient is φ = 253400588640.

The previous prime is 253400588633. The next prime is 253400588659. The reversal of 253400588641 is 146885004352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 244732047616 + 8668541025 = 494704^2 + 93105^2 .

It is a cyclic number.

It is not a de Polignac number, because 253400588641 - 2³ = 253400588633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253400588591 and 253400588600.

It is not a weakly prime, because it can be changed into another prime (253400588611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126700294320 + 126700294321.

It is an arithmetic number, because the mean of its divisors is an integer number (126700294321).

Almost surely, 2^253400588641 is an apocalyptic number.

It is an amenable number.

253400588641 is a deficient number, since it is larger than the sum of its proper divisors (1).

253400588641 is an equidigital number, since it uses as much as digits as its factorization.

253400588641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 253400588641 in words is "two hundred fifty-three billion, four hundred million, five hundred eighty-eight thousand, six hundred forty-one".