2523244553531 has 4 divisors (see below), whose sum is σ = 2717340288432. Its totient is φ = 2329148818632.

The previous prime is 2523244553503. The next prime is 2523244553591. The reversal of 2523244553531 is 1353554423252.

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 2523244553531 - 2¹⁴ = 2523244537147 is a prime.

It is a super-2 number, since 2×2523244553531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523244553591) 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, 97047867431 + ... + 97047867456.

It is an arithmetic number, because the mean of its divisors is an integer number (679335072108).

Almost surely, 2^{2523244553531} is an apocalyptic number.

2523244553531 is a deficient number, since it is larger than the sum of its proper divisors (194095734901).

2523244553531 is a wasteful number, since it uses less digits than its factorization.

2523244553531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194095734900.

The product of its digits is 2160000, while the sum is 44.

Adding to 2523244553531 its reverse (1353554423252), we get a palindrome (3876798976783).

The spelling of 2523244553531 in words is "two trillion, five hundred twenty-three billion, two hundred forty-four million, five hundred fifty-three thousand, five hundred thirty-one".