2513625531 has 4 divisors (see below), whose sum is σ = 3351500712. Its totient is φ = 1675750352.

The previous prime is 2513625523. The next prime is 2513625551. The reversal of 2513625531 is 1355263152.

It is a happy number.

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 2513625531 - 2³ = 2513625523 is a prime.

It is a super-2 number, since 2×2513625531² = 12636626620190063922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2513625492 and 2513625501.

It is not an unprimeable number, because it can be changed into a prime (2513625551) 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, 418937586 + ... + 418937591.

It is an arithmetic number, because the mean of its divisors is an integer number (837875178).

Almost surely, 2^2513625531 is an apocalyptic number.

2513625531 is a deficient number, since it is larger than the sum of its proper divisors (837875181).

2513625531 is an equidigital number, since it uses as much as digits as its factorization.

2513625531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837875180.

The product of its digits is 27000, while the sum is 33.

The square root of 2513625531 is about 50136.0701591180. The cubic root of 2513625531 is about 1359.6700343888.

Adding to 2513625531 its reverse (1355263152), we get a palindrome (3868888683).

The spelling of 2513625531 in words is "two billion, five hundred thirteen million, six hundred twenty-five thousand, five hundred thirty-one".