356445313 has 4 divisors (see below), whose sum is σ = 407366080. Its totient is φ = 305524548.

The previous prime is 356445311. The next prime is 356445319. The reversal of 356445313 is 313544653.

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.

It is not a de Polignac number, because 356445313 - 2¹ = 356445311 is a prime.

It is a super-2 number, since 2×356445313² = 254106522319335938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (356445311) 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, 25460373 + ... + 25460386.

It is an arithmetic number, because the mean of its divisors is an integer number (101841520).

Almost surely, 2^356445313 is an apocalyptic number.

It is an amenable number.

356445313 is a deficient number, since it is larger than the sum of its proper divisors (50920767).

356445313 is an equidigital number, since it uses as much as digits as its factorization.

356445313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50920766.

The product of its digits is 64800, while the sum is 34.

The square root of 356445313 is about 18879.7593469832. The cubic root of 356445313 is about 709.0294966055.

Adding to 356445313 its reverse (313544653), we get a palindrome (669989966).

The spelling of 356445313 in words is "three hundred fifty-six million, four hundred forty-five thousand, three hundred thirteen".