351020252 has 48 divisors (see below), whose sum is σ = 688020480. Its totient is φ = 155332800.

The previous prime is 351020239. The next prime is 351020261. The reversal of 351020252 is 252020153.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 555977 + ... + 556607.

It is an arithmetic number, because the mean of its divisors is an integer number (14333760).

Almost surely, 2^351020252 is an apocalyptic number.

It is an amenable number.

351020252 is a deficient number, since it is larger than the sum of its proper divisors (337000228).

351020252 is a wasteful number, since it uses less digits than its factorization.

351020252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 351020252 is about 18735.5344732943. The cubic root of 351020252 is about 705.4139727875.

Subtracting from 351020252 its reverse (252020153), we obtain a palindrome (99000099).

The spelling of 351020252 in words is "three hundred fifty-one million, twenty thousand, two hundred fifty-two".