253224861 has 8 divisors (see below), whose sum is σ = 344817024. Its totient is φ = 165224640.

The previous prime is 253224859. The next prime is 253224863. The reversal of 253224861 is 168422352.

It is an interprime number because it is at equal distance from previous prime (253224859) and next prime (253224863).

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

It is not a de Polignac number, because 253224861 - 2¹ = 253224859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253224863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 897820 + ... + 898101.

It is an arithmetic number, because the mean of its divisors is an integer number (43102128).

Almost surely, 2^253224861 is an apocalyptic number.

It is an amenable number.

253224861 is a deficient number, since it is larger than the sum of its proper divisors (91592163).

253224861 is a wasteful number, since it uses less digits than its factorization.

253224861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795971.

The product of its digits is 23040, while the sum is 33.

The square root of 253224861 is about 15913.0405956876. The cubic root of 253224861 is about 632.6576742412.

The spelling of 253224861 in words is "two hundred fifty-three million, two hundred twenty-four thousand, eight hundred sixty-one".