351312532 has 6 divisors (see below), whose sum is σ = 614796938. Its totient is φ = 175656264.

The previous prime is 351312529. The next prime is 351312541. The reversal of 351312532 is 235213153.

It can be written as a sum of positive squares in only one way, i.e., 251032336 + 100280196 = 15844^2 + 10014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 351312497 and 351312506.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 43914063 + ... + 43914070.

Almost surely, 2^351312532 is an apocalyptic number.

It is an amenable number.

351312532 is a deficient number, since it is larger than the sum of its proper divisors (263484406).

351312532 is a wasteful number, since it uses less digits than its factorization.

351312532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87828137 (or 87828135 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 351312532 is about 18743.3330013634. Note that the first 3 decimals coincide. The cubic root of 351312532 is about 705.6097081198.

Adding to 351312532 its reverse (235213153), we get a palindrome (586525685).

The spelling of 351312532 in words is "three hundred fifty-one million, three hundred twelve thousand, five hundred thirty-two".