2521532313 has 24 divisors (see below), whose sum is σ = 3842916480. Its totient is φ = 1588805280.

The previous prime is 2521532311. The next prime is 2521532317. The reversal of 2521532313 is 3132351252.

It is a happy number.

2521532313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2521532313 - 2¹ = 2521532311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2521532311) 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, 56595 + ... + 90807.

It is an arithmetic number, because the mean of its divisors is an integer number (160121520).

Almost surely, 2^2521532313 is an apocalyptic number.

It is an amenable number.

2521532313 is a deficient number, since it is larger than the sum of its proper divisors (1321384167).

2521532313 is a wasteful number, since it uses less digits than its factorization.

2521532313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34669 (or 34666 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 2521532313 is about 50214.8614754636. The cubic root of 2521532313 is about 1361.0941873786.

Adding to 2521532313 its reverse (3132351252), we get a palindrome (5653883565).

The spelling of 2521532313 in words is "two billion, five hundred twenty-one million, five hundred thirty-two thousand, three hundred thirteen".