351025540 has 48 divisors (see below), whose sum is σ = 777232512. Its totient is φ = 132903936.

The previous prime is 351025531. The next prime is 351025583. The reversal of 351025540 is 45520153.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40687 + ... + 48553.

It is an arithmetic number, because the mean of its divisors is an integer number (16192344).

Almost surely, 2^351025540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351025540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388616256).

351025540 is an abundant number, since it is smaller than the sum of its proper divisors (426206972).

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

351025540 is a wasteful number, since it uses less digits than its factorization.

351025540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7996 (or 7994 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 351025540 is about 18735.6755949712. The cubic root of 351025540 is about 705.4175150431.

Adding to 351025540 its reverse (45520153), we get a palindrome (396545693).

The spelling of 351025540 in words is "three hundred fifty-one million, twenty-five thousand, five hundred forty".