2351201345 has 16 divisors (see below), whose sum is σ = 2834572752. Its totient is φ = 1872230400.

The previous prime is 2351201311. The next prime is 2351201353. The reversal of 2351201345 is 5431021532.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 31719424 + 2319481921 = 5632^2 + 48161^2 .

It is not a de Polignac number, because 2351201345 - 2⁸ = 2351201089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1228109 + ... + 1230021.

It is an arithmetic number, because the mean of its divisors is an integer number (177160797).

Almost surely, 2^2351201345 is an apocalyptic number.

It is an amenable number.

2351201345 is a deficient number, since it is larger than the sum of its proper divisors (483371407).

2351201345 is a wasteful number, since it uses less digits than its factorization.

2351201345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 2351201345 is about 48489.1879185453. The cubic root of 2351201345 is about 1329.7294086482.

Adding to 2351201345 its reverse (5431021532), we get a palindrome (7782222877).

The spelling of 2351201345 in words is "two billion, three hundred fifty-one million, two hundred one thousand, three hundred forty-five".