352420513 has 4 divisors (see below), whose sum is σ = 367743168. Its totient is φ = 337097860.

The previous prime is 352420463. The next prime is 352420553. The reversal of 352420513 is 315024253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315024253 = 37 ⋅8514169.

It is a cyclic number.

It is not a de Polignac number, because 352420513 - 2²⁵ = 318866081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (352420553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7661293 + ... + 7661338.

It is an arithmetic number, because the mean of its divisors is an integer number (91935792).

Almost surely, 2^352420513 is an apocalyptic number.

It is an amenable number.

352420513 is a deficient number, since it is larger than the sum of its proper divisors (15322655).

352420513 is a wasteful number, since it uses less digits than its factorization.

352420513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15322654.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 352420513 is about 18772.8664034025. The cubic root of 352420513 is about 706.3507213439.

Adding to 352420513 its reverse (315024253), we get a palindrome (667444766).

The spelling of 352420513 in words is "three hundred fifty-two million, four hundred twenty thousand, five hundred thirteen".