253400582641 has 2 divisors, whose sum is σ = 253400582642. Its totient is φ = 253400582640.

The previous prime is 253400582609. The next prime is 253400582663. The reversal of 253400582641 is 146285004352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240790415616 + 12610167025 = 490704^2 + 112295^2 .

It is a cyclic number.

It is not a de Polignac number, because 253400582641 - 2⁵ = 253400582609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253400582594 and 253400582603.

It is not a weakly prime, because it can be changed into another prime (253400588641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126700291320 + 126700291321.

It is an arithmetic number, because the mean of its divisors is an integer number (126700291321).

Almost surely, 2^253400582641 is an apocalyptic number.

It is an amenable number.

253400582641 is a deficient number, since it is larger than the sum of its proper divisors (1).

253400582641 is an equidigital number, since it uses as much as digits as its factorization.

253400582641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 253400582641 its reverse (146285004352), we get a palindrome (399685586993).

The spelling of 253400582641 in words is "two hundred fifty-three billion, four hundred million, five hundred eighty-two thousand, six hundred forty-one".