351240345 has 24 divisors (see below), whose sum is σ = 612860352. Its totient is φ = 186084000.

The previous prime is 351240271. The next prime is 351240347. The reversal of 351240345 is 543042153.

It is not a de Polignac number, because 351240345 - 2⁸ = 351240089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (351240347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19051 + ... + 32640.

It is an arithmetic number, because the mean of its divisors is an integer number (25535848).

Almost surely, 2^351240345 is an apocalyptic number.

It is an amenable number.

351240345 is a deficient number, since it is larger than the sum of its proper divisors (261620007).

351240345 is a wasteful number, since it uses less digits than its factorization.

351240345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51853 (or 51850 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 351240345 is about 18741.4072310486. The cubic root of 351240345 is about 705.5613757164.

Adding to 351240345 its reverse (543042153), we get a palindrome (894282498).

The spelling of 351240345 in words is "three hundred fifty-one million, two hundred forty thousand, three hundred forty-five".