2521244531 has 8 divisors (see below), whose sum is σ = 2740563504. Its totient is φ = 2305550880.

The previous prime is 2521244519. The next prime is 2521244533. The reversal of 2521244531 is 1354421252.

2521244531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2521244531 - 2²² = 2517050227 is a prime.

It is a super-2 number, since 2×2521244531² = 12713347970194819922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2521244494 and 2521244503.

It is not an unprimeable number, because it can be changed into a prime (2521244533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904880 + ... + 907661.

It is an arithmetic number, because the mean of its divisors is an integer number (342570438).

Almost surely, 2^2521244531 is an apocalyptic number.

2521244531 is a deficient number, since it is larger than the sum of its proper divisors (219318973).

2521244531 is a wasteful number, since it uses less digits than its factorization.

2521244531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812661.

The product of its digits is 9600, while the sum is 29.

The square root of 2521244531 is about 50211.9958874371. The cubic root of 2521244531 is about 1361.0424049356.

Adding to 2521244531 its reverse (1354421252), we get a palindrome (3875665783).

The spelling of 2521244531 in words is "two billion, five hundred twenty-one million, two hundred forty-four thousand, five hundred thirty-one".