25532354452 has 12 divisors (see below), whose sum is σ = 48743585856. Its totient is φ = 11605615640.

The previous prime is 25532354399. The next prime is 25532354459. The reversal of 25532354452 is 25445323552.

It is a super-2 number, since 2×25532354452² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25532354459) 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, 290140348 + ... + 290140435.

It is an arithmetic number, because the mean of its divisors is an integer number (4061965488).

Almost surely, 2^25532354452 is an apocalyptic number.

25532354452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25532354452 is a deficient number, since it is larger than the sum of its proper divisors (23211231404).

25532354452 is a wasteful number, since it uses less digits than its factorization.

25532354452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580280798 (or 580280796 counting only the distinct ones).

The product of its digits is 720000, while the sum is 40.

The spelling of 25532354452 in words is "twenty-five billion, five hundred thirty-two million, three hundred fifty-four thousand, four hundred fifty-two".