253451330 has 16 divisors (see below), whose sum is σ = 497686464. Its totient is φ = 92164080.

The previous prime is 253451311. The next prime is 253451339. The reversal of 253451330 is 33154352.

253451330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 253451330.

It is not an unprimeable number, because it can be changed into a prime (253451339) 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, 1151942 + ... + 1152161.

It is an arithmetic number, because the mean of its divisors is an integer number (31105404).

Almost surely, 2^253451330 is an apocalyptic number.

253451330 is a deficient number, since it is larger than the sum of its proper divisors (244235134).

253451330 is a wasteful number, since it uses less digits than its factorization.

253451330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2304121.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 253451330 is about 15920.1548359305. The cubic root of 253451330 is about 632.8462216303.

The spelling of 253451330 in words is "two hundred fifty-three million, four hundred fifty-one thousand, three hundred thirty".