2531552240525 has 48 divisors (see below), whose sum is σ = 4019490176640. Its totient is φ = 1535458809600.

The previous prime is 2531552240411. The next prime is 2531552240551. The reversal of 2531552240525 is 5250422551352.

It is a happy number.

It is not a de Polignac number, because 2531552240525 - 2¹⁴ = 2531552224141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17700290 + ... + 17842739.

It is an arithmetic number, because the mean of its divisors is an integer number (83739378680).

Almost surely, 2^{2531552240525} is an apocalyptic number.

2531552240525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2531552240525 is a deficient number, since it is larger than the sum of its proper divisors (1487937936115).

2531552240525 is a wasteful number, since it uses less digits than its factorization.

2531552240525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35543094 (or 35543089 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 2531552240525 its reverse (5250422551352), we get a palindrome (7781974791877).

The spelling of 2531552240525 in words is "two trillion, five hundred thirty-one billion, five hundred fifty-two million, two hundred forty thousand, five hundred twenty-five".