253154641 has 2 divisors, whose sum is σ = 253154642. Its totient is φ = 253154640.

The previous prime is 253154621. The next prime is 253154669. The reversal of 253154641 is 146451352.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240374016 + 12780625 = 15504^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 253154641 - 2¹⁵ = 253121873 is a prime.

It is not a weakly prime, because it can be changed into another prime (253154611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126577320 + 126577321.

It is an arithmetic number, because the mean of its divisors is an integer number (126577321).

Almost surely, 2^253154641 is an apocalyptic number.

It is an amenable number.

253154641 is a deficient number, since it is larger than the sum of its proper divisors (1).

253154641 is an equidigital number, since it uses as much as digits as its factorization.

253154641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 253154641 is about 15910.8340761885. The cubic root of 253154641 is about 632.5991895559.

The spelling of 253154641 in words is "two hundred fifty-three million, one hundred fifty-four thousand, six hundred forty-one".