2521264325 has 24 divisors (see below), whose sum is σ = 3210651648. Its totient is φ = 1963241280.

The previous prime is 2521264307. The next prime is 2521264327. The reversal of 2521264325 is 5234621252.

It is not a de Polignac number, because 2521264325 - 2¹⁰ = 2521263301 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521264291 and 2521264300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521264327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160784 + ... + 175766.

It is an arithmetic number, because the mean of its divisors is an integer number (133777152).

Almost surely, 2^2521264325 is an apocalyptic number.

2521264325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2521264325 is a deficient number, since it is larger than the sum of its proper divisors (689387323).

2521264325 is a wasteful number, since it uses less digits than its factorization.

2521264325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15173 (or 15168 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 2521264325 is about 50212.1929913442. The cubic root of 2521264325 is about 1361.0459667219.

Adding to 2521264325 its reverse (5234621252), we get a palindrome (7755885577).

The spelling of 2521264325 in words is "two billion, five hundred twenty-one million, two hundred sixty-four thousand, three hundred twenty-five".