253964951 has 2 divisors, whose sum is σ = 253964952. Its totient is φ = 253964950.

The previous prime is 253964939. The next prime is 253964959. The reversal of 253964951 is 159469352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253964951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253964959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126982475 + 126982476.

It is an arithmetic number, because the mean of its divisors is an integer number (126982476).

Almost surely, 2^253964951 is an apocalyptic number.

253964951 is a deficient number, since it is larger than the sum of its proper divisors (1).

253964951 is an equidigital number, since it uses as much as digits as its factorization.

253964951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 44.

The square root of 253964951 is about 15936.2778276485. The cubic root of 253964951 is about 633.2734223722.

The spelling of 253964951 in words is "two hundred fifty-three million, nine hundred sixty-four thousand, nine hundred fifty-one".