253025275549 has 2 divisors, whose sum is σ = 253025275550. Its totient is φ = 253025275548.

The previous prime is 253025275537. The next prime is 253025275567. The reversal of 253025275549 is 945572520352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211698451449 + 41326824100 = 460107^2 + 203290^2 .

It is a cyclic number.

It is not a de Polignac number, because 253025275549 - 2⁹ = 253025275037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253025275589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126512637774 + 126512637775.

It is an arithmetic number, because the mean of its divisors is an integer number (126512637775).

Almost surely, 2^253025275549 is an apocalyptic number.

It is an amenable number.

253025275549 is a deficient number, since it is larger than the sum of its proper divisors (1).

253025275549 is an equidigital number, since it uses as much as digits as its factorization.

253025275549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 253025275549 in words is "two hundred fifty-three billion, twenty-five million, two hundred seventy-five thousand, five hundred forty-nine".