253501049 has 2 divisors, whose sum is σ = 253501050. Its totient is φ = 253501048.

The previous prime is 253501037. The next prime is 253501057. The reversal of 253501049 is 940105352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170563600 + 82937449 = 13060^2 + 9107^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253501049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253501069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126750524 + 126750525.

It is an arithmetic number, because the mean of its divisors is an integer number (126750525).

Almost surely, 2^253501049 is an apocalyptic number.

It is an amenable number.

253501049 is a deficient number, since it is larger than the sum of its proper divisors (1).

253501049 is an equidigital number, since it uses as much as digits as its factorization.

253501049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 253501049 is about 15921.7162705532. The cubic root of 253501049 is about 632.8876002835.

The spelling of 253501049 in words is "two hundred fifty-three million, five hundred one thousand, forty-nine".