25343452524 has 48 divisors (see below), whose sum is σ = 65879543520. Its totient is φ = 7529088000.

The previous prime is 25343452523. The next prime is 25343452571. The reversal of 25343452524 is 42525434352.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (25343452523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2796477 + ... + 2805524.

It is an arithmetic number, because the mean of its divisors is an integer number (1372490490).

Almost surely, 2^25343452524 is an apocalyptic number.

It is an amenable number.

25343452524 is an abundant number, since it is smaller than the sum of its proper divisors (40536090996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25343452524 is a wasteful number, since it uses less digits than its factorization.

25343452524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602050 (or 5602048 counting only the distinct ones).

The product of its digits is 576000, while the sum is 39.

Adding to 25343452524 its reverse (42525434352), we get a palindrome (67868886876).

The spelling of 25343452524 in words is "twenty-five billion, three hundred forty-three million, four hundred fifty-two thousand, five hundred twenty-four".