253161626 has 8 divisors (see below), whose sum is σ = 381938004. Its totient is φ = 125848960.

The previous prime is 253161607. The next prime is 253161691. The reversal of 253161626 is 626161352.

It can be written as a sum of positive squares in 2 ways, for example, as 249608401 + 3553225 = 15799^2 + 1885^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 253161592 and 253161601.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365495 + ... + 366186.

Almost surely, 2^253161626 is an apocalyptic number.

253161626 is a deficient number, since it is larger than the sum of its proper divisors (128776378).

253161626 is a wasteful number, since it uses less digits than its factorization.

253161626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731856.

The product of its digits is 12960, while the sum is 32.

The square root of 253161626 is about 15911.0535791946. The cubic root of 253161626 is about 632.6050076923.

The spelling of 253161626 in words is "two hundred fifty-three million, one hundred sixty-one thousand, six hundred twenty-six".