351120553 has 8 divisors (see below), whose sum is σ = 418727808. Its totient is φ = 287875104.

The previous prime is 351120547. The next prime is 351120557. The reversal of 351120553 is 355021153.

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

It is a cyclic number.

It is not a de Polignac number, because 351120553 - 2²⁵ = 317566121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (351120557) 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, 1090276 + ... + 1090597.

It is an arithmetic number, because the mean of its divisors is an integer number (52340976).

Almost surely, 2^351120553 is an apocalyptic number.

It is an amenable number.

351120553 is a deficient number, since it is larger than the sum of its proper divisors (67607255).

351120553 is a wasteful number, since it uses less digits than its factorization.

351120553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180903.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 351120553 is about 18738.2110405449. The cubic root of 351120553 is about 705.4811550355.

The spelling of 351120553 in words is "three hundred fifty-one million, one hundred twenty thousand, five hundred fifty-three".