253120481 has 2 divisors, whose sum is σ = 253120482. Its totient is φ = 253120480.

The previous prime is 253120477. The next prime is 253120493. The reversal of 253120481 is 184021352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252301456 + 819025 = 15884^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 253120481 - 2² = 253120477 is a prime.

It is a super-2 number, since 2×253120481² = 128139955803342722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253120481.

It is not a weakly prime, because it can be changed into another prime (253120471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126560240 + 126560241.

It is an arithmetic number, because the mean of its divisors is an integer number (126560241).

Almost surely, 2^253120481 is an apocalyptic number.

It is an amenable number.

253120481 is a deficient number, since it is larger than the sum of its proper divisors (1).

253120481 is an equidigital number, since it uses as much as digits as its factorization.

253120481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 253120481 is about 15909.7605575948. The cubic root of 253120481 is about 632.5707345369.

The spelling of 253120481 in words is "two hundred fifty-three million, one hundred twenty thousand, four hundred eighty-one".