2345125291 has 4 divisors (see below), whose sum is σ = 2389372992. Its totient is φ = 2300877592.

The previous prime is 2345125261. The next prime is 2345125309. The reversal of 2345125291 is 1925215432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345125291 is a prime.

It is a super-2 number, since 2×2345125291² = 10999225260975669362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345125261) 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, 22123771 + ... + 22123876.

It is an arithmetic number, because the mean of its divisors is an integer number (597343248).

Almost surely, 2^2345125291 is an apocalyptic number.

2345125291 is a deficient number, since it is larger than the sum of its proper divisors (44247701).

2345125291 is an equidigital number, since it uses as much as digits as its factorization.

2345125291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44247700.

The product of its digits is 21600, while the sum is 34.

The square root of 2345125291 is about 48426.4936888889. The cubic root of 2345125291 is about 1328.5829766341.

The spelling of 2345125291 in words is "two billion, three hundred forty-five million, one hundred twenty-five thousand, two hundred ninety-one".