2521232035531 has 4 divisors (see below), whose sum is σ = 2750434947864. Its totient is φ = 2292029123200.

The previous prime is 2521232035529. The next prime is 2521232035547. The reversal of 2521232035531 is 1355302321252.

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 2521232035531 - 2¹ = 2521232035529 is a prime.

It is a super-2 number, since 2×2521232035531² (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 (2521232095531) 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, 114601456150 + ... + 114601456171.

It is an arithmetic number, because the mean of its divisors is an integer number (687608736966).

Almost surely, 2^{2521232035531} is an apocalyptic number.

2521232035531 is a deficient number, since it is larger than the sum of its proper divisors (229202912333).

2521232035531 is a wasteful number, since it uses less digits than its factorization.

2521232035531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229202912332.

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 2521232035531 its reverse (1355302321252), we get a palindrome (3876534356783).

The spelling of 2521232035531 in words is "two trillion, five hundred twenty-one billion, two hundred thirty-two million, thirty-five thousand, five hundred thirty-one".