2520312401 has 4 divisors (see below), whose sum is σ = 2557929072. Its totient is φ = 2482695732.

The previous prime is 2520312317. The next prime is 2520312433. The reversal of 2520312401 is 1042130252.

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 2520312401 - 2¹⁸ = 2520050257 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 (2520312601) 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, 18808235 + ... + 18808368.

It is an arithmetic number, because the mean of its divisors is an integer number (639482268).

Almost surely, 2^2520312401 is an apocalyptic number.

It is an amenable number.

2520312401 is a deficient number, since it is larger than the sum of its proper divisors (37616671).

2520312401 is an equidigital number, since it uses as much as digits as its factorization.

2520312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37616670.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2520312401 is about 50202.7130840555. The cubic root of 2520312401 is about 1360.8746538084.

Adding to 2520312401 its reverse (1042130252), we get a palindrome (3562442653).

The spelling of 2520312401 in words is "two billion, five hundred twenty million, three hundred twelve thousand, four hundred one".