253220454 has 24 divisors (see below), whose sum is σ = 548964000. Its totient is φ = 84357648.

The previous prime is 253220447. The next prime is 253220459. The reversal of 253220454 is 454022352.

It is a happy number.

It is a super-2 number, since 2×253220454² = 128241196647932232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253220459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41172 + ... + 46920.

It is an arithmetic number, because the mean of its divisors is an integer number (22873500).

Almost surely, 2^253220454 is an apocalyptic number.

253220454 is an abundant number, since it is smaller than the sum of its proper divisors (295743546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253220454 is a wasteful number, since it uses less digits than its factorization.

253220454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204 (or 8201 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 253220454 is about 15912.9021237485. The cubic root of 253220454 is about 632.6540040664.

The spelling of 253220454 in words is "two hundred fifty-three million, two hundred twenty thousand, four hundred fifty-four".