25451015452 has 24 divisors (see below), whose sum is σ = 47626170480. Its totient is φ = 11858361600.

The previous prime is 25451015441. The next prime is 25451015477.

25451015452 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846002 + ... + 1859737.

It is an arithmetic number, because the mean of its divisors is an integer number (1984423770).

Almost surely, 2^25451015452 is an apocalyptic number.

It is an amenable number.

25451015452 is a deficient number, since it is larger than the sum of its proper divisors (22175155028).

25451015452 is a wasteful number, since it uses less digits than its factorization.

25451015452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705861 (or 3705859 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

It can be divided in two parts, 254510 and 15452, that added together give a palindrome (269962).

The spelling of 25451015452 in words is "twenty-five billion, four hundred fifty-one million, fifteen thousand, four hundred fifty-two".