253155651 has 8 divisors (see below), whose sum is σ = 385761024. Its totient is φ = 144660360.

The previous prime is 253155649. The next prime is 253155667. The reversal of 253155651 is 156551352.

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

It is not a de Polignac number, because 253155651 - 2¹ = 253155649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253155691) 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, 6027495 + ... + 6027536.

It is an arithmetic number, because the mean of its divisors is an integer number (48220128).

Almost surely, 2^253155651 is an apocalyptic number.

253155651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

253155651 is a deficient number, since it is larger than the sum of its proper divisors (132605373).

253155651 is a wasteful number, since it uses less digits than its factorization.

253155651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12055041.

The product of its digits is 22500, while the sum is 33.

The square root of 253155651 is about 15910.8658155362. The cubic root of 253155651 is about 632.6000308392.

The spelling of 253155651 in words is "two hundred fifty-three million, one hundred fifty-five thousand, six hundred fifty-one".