351125540 has 12 divisors (see below), whose sum is σ = 737363676. Its totient is φ = 140450208.

The previous prime is 351125513. The next prime is 351125563. The reversal of 351125540 is 45521153.

It can be written as a sum of positive squares in 2 ways, for example, as 41576704 + 309548836 = 6448^2 + 17594^2 .

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, 8778119 + ... + 8778158.

It is an arithmetic number, because the mean of its divisors is an integer number (61446973).

Almost surely, 2^351125540 is an apocalyptic number.

It is an amenable number.

351125540 is an abundant number, since it is smaller than the sum of its proper divisors (386238136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351125540 is a wasteful number, since it uses less digits than its factorization.

351125540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17556286 (or 17556284 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 351125540 is about 18738.3441104063. The cubic root of 351125540 is about 705.4844950260.

Adding to 351125540 its reverse (45521153), we get a palindrome (396646693).

The spelling of 351125540 in words is "three hundred fifty-one million, one hundred twenty-five thousand, five hundred forty".