253450602641 has 2 divisors, whose sum is σ = 253450602642. Its totient is φ = 253450602640.

The previous prime is 253450602589. The next prime is 253450602649. The reversal of 253450602641 is 146206054352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251932721041 + 1517881600 = 501929^2 + 38960^2 .

It is a cyclic number.

It is not a de Polignac number, because 253450602641 - 2⁶ = 253450602577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253450602595 and 253450602604.

It is not a weakly prime, because it can be changed into another prime (253450602649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126725301320 + 126725301321.

It is an arithmetic number, because the mean of its divisors is an integer number (126725301321).

Almost surely, 2^253450602641 is an apocalyptic number.

It is an amenable number.

253450602641 is a deficient number, since it is larger than the sum of its proper divisors (1).

253450602641 is an equidigital number, since it uses as much as digits as its factorization.

253450602641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 253450602641 its reverse (146206054352), we get a palindrome (399656656993).

The spelling of 253450602641 in words is "two hundred fifty-three billion, four hundred fifty million, six hundred two thousand, six hundred forty-one".