2315530401 has 4 divisors (see below), whose sum is σ = 3087373872. Its totient is φ = 1543686932.

The previous prime is 2315530387. The next prime is 2315530403. The reversal of 2315530401 is 1040355132.

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 a cyclic number.

It is not a de Polignac number, because 2315530401 - 2¹⁴ = 2315514017 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2315530403) 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, 385921731 + ... + 385921736.

It is an arithmetic number, because the mean of its divisors is an integer number (771843468).

Almost surely, 2^2315530401 is an apocalyptic number.

It is an amenable number.

2315530401 is a deficient number, since it is larger than the sum of its proper divisors (771843471).

2315530401 is an equidigital number, since it uses as much as digits as its factorization.

2315530401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771843470.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 2315530401 is about 48119.9584476130. The cubic root of 2315530401 is about 1322.9705066014.

Adding to 2315530401 its reverse (1040355132), we get a palindrome (3355885533).

The spelling of 2315530401 in words is "two billion, three hundred fifteen million, five hundred thirty thousand, four hundred one".