351242542 has 32 divisors (see below), whose sum is σ = 647094528. Its totient is φ = 139556736.

The previous prime is 351242539. The next prime is 351242543. The reversal of 351242542 is 245242153.

It is a self number, because there is not a number n which added to its sum of digits gives 351242542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (351242543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4933 + ... + 26959.

It is an arithmetic number, because the mean of its divisors is an integer number (20221704).

Almost surely, 2^351242542 is an apocalyptic number.

351242542 is a deficient number, since it is larger than the sum of its proper divisors (295851986).

351242542 is a wasteful number, since it uses less digits than its factorization.

351242542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22120.

The product of its digits is 9600, while the sum is 28.

The square root of 351242542 is about 18741.4658444851. The cubic root of 351242542 is about 705.5628468032.

Adding to 351242542 its reverse (245242153), we get a palindrome (596484695).

The spelling of 351242542 in words is "three hundred fifty-one million, two hundred forty-two thousand, five hundred forty-two".