253964330 has 8 divisors (see below), whose sum is σ = 457135812. Its totient is φ = 101585728.

The previous prime is 253964303. The next prime is 253964341. The reversal of 253964330 is 33469352.

It can be written as a sum of positive squares in 2 ways, for example, as 224490289 + 29474041 = 14983^2 + 5429^2 .

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

It is a super-3 number, since 3×253964330³ (a number of 26 digits) contains 333 as substring.

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, 12698207 + ... + 12698226.

Almost surely, 2^253964330 is an apocalyptic number.

253964330 is a deficient number, since it is larger than the sum of its proper divisors (203171482).

253964330 is a wasteful number, since it uses less digits than its factorization.

253964330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25396440.

The product of its (nonzero) digits is 58320, while the sum is 35.

The square root of 253964330 is about 15936.2583437895. The cubic root of 253964330 is about 633.2729062077.

The spelling of 253964330 in words is "two hundred fifty-three million, nine hundred sixty-four thousand, three hundred thirty".