2521324511 has 4 divisors (see below), whose sum is σ = 2521585752. Its totient is φ = 2521063272.

The previous prime is 2521324501. The next prime is 2521324513. The reversal of 2521324511 is 1154231252.

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

It is a cyclic number.

It is not a de Polignac number, because 2521324511 - 2²² = 2517130207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521324513) 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, 115565 + ... + 135638.

It is an arithmetic number, because the mean of its divisors is an integer number (630396438).

Almost surely, 2^2521324511 is an apocalyptic number.

2521324511 is a deficient number, since it is larger than the sum of its proper divisors (261241).

2521324511 is a wasteful number, since it uses less digits than its factorization.

2521324511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261240.

The product of its digits is 2400, while the sum is 26.

The square root of 2521324511 is about 50212.7923043521. The cubic root of 2521324511 is about 1361.0567966403.

Adding to 2521324511 its reverse (1154231252), we get a palindrome (3675555763).

The spelling of 2521324511 in words is "two billion, five hundred twenty-one million, three hundred twenty-four thousand, five hundred eleven".