351813089 has 4 divisors (see below), whose sum is σ = 351901956. Its totient is φ = 351724224.

The previous prime is 351813073. The next prime is 351813107. The reversal of 351813089 is 980318153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113635600 + 238177489 = 10660^2 + 15433^2 .

It is a cyclic number.

It is not a de Polignac number, because 351813089 - 2⁴ = 351813073 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (351810089) 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, 38204 + ... + 46509.

It is an arithmetic number, because the mean of its divisors is an integer number (87975489).

Almost surely, 2^351813089 is an apocalyptic number.

It is an amenable number.

351813089 is a deficient number, since it is larger than the sum of its proper divisors (88867).

351813089 is an equidigital number, since it uses as much as digits as its factorization.

351813089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88866.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 351813089 is about 18756.6811829812. The cubic root of 351813089 is about 705.9446712760.

The spelling of 351813089 in words is "three hundred fifty-one million, eight hundred thirteen thousand, eighty-nine".