253968629 has 8 divisors (see below), whose sum is σ = 263978400. Its totient is φ = 244124496.

The previous prime is 253968619. The next prime is 253968667. The reversal of 253968629 is 926869352.

253968629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253968629 - 2⁸ = 253968373 is a prime.

It is a super-2 number, since 2×253968629² = 129000129032279282, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253968619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38279 + ... + 44420.

It is an arithmetic number, because the mean of its divisors is an integer number (32997300).

Almost surely, 2^253968629 is an apocalyptic number.

It is an amenable number.

253968629 is a deficient number, since it is larger than the sum of its proper divisors (10009771).

253968629 is an equidigital number, since it uses as much as digits as its factorization.

253968629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82819.

The product of its digits is 1399680, while the sum is 50.

The square root of 253968629 is about 15936.3932243152. The cubic root of 253968629 is about 633.2764794455.

The spelling of 253968629 in words is "two hundred fifty-three million, nine hundred sixty-eight thousand, six hundred twenty-nine".