253154449 has 2 divisors, whose sum is σ = 253154450. Its totient is φ = 253154448.

The previous prime is 253154443. The next prime is 253154471. The reversal of 253154449 is 944451352.

It is a happy number.

253154449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157251600 + 95902849 = 12540^2 + 9793^2 .

It is a cyclic number.

It is not a de Polignac number, because 253154449 - 2³ = 253154441 is a prime.

It is not a weakly prime, because it can be changed into another prime (253154441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126577224 + 126577225.

It is an arithmetic number, because the mean of its divisors is an integer number (126577225).

Almost surely, 2^253154449 is an apocalyptic number.

It is an amenable number.

253154449 is a deficient number, since it is larger than the sum of its proper divisors (1).

253154449 is an equidigital number, since it uses as much as digits as its factorization.

253154449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

The square root of 253154449 is about 15910.8280425627. The cubic root of 253154449 is about 632.5990296285.

The spelling of 253154449 in words is "two hundred fifty-three million, one hundred fifty-four thousand, four hundred forty-nine".