2521452245 has 8 divisors (see below), whose sum is σ = 3258492216. Its totient is φ = 1861995456.

The previous prime is 2521452233. The next prime is 2521452289. The reversal of 2521452245 is 5422541252.

2521452245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3118756 + 2518333489 = 1766^2 + 50183^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2521452245 - 2¹⁶ = 2521386709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19395722 + ... + 19395851.

It is an arithmetic number, because the mean of its divisors is an integer number (407311527).

Almost surely, 2^2521452245 is an apocalyptic number.

It is an amenable number.

2521452245 is a deficient number, since it is larger than the sum of its proper divisors (737039971).

2521452245 is a wasteful number, since it uses less digits than its factorization.

2521452245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38791591.

The product of its digits is 32000, while the sum is 32.

The square root of 2521452245 is about 50214.0642151181. The cubic root of 2521452245 is about 1361.0797806304.

Adding to 2521452245 its reverse (5422541252), we get a palindrome (7943993497).

The spelling of 2521452245 in words is "two billion, five hundred twenty-one million, four hundred fifty-two thousand, two hundred forty-five".