25536453052 has 12 divisors (see below), whose sum is σ = 48751410456. Its totient is φ = 11607478640.

The previous prime is 25536453023. The next prime is 25536453053. The reversal of 25536453052 is 25035463552.

It is a super-2 number, since 2×25536453052² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25536452996 and 25536453014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25536453053) 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, 290186923 + ... + 290187010.

It is an arithmetic number, because the mean of its divisors is an integer number (4062617538).

Almost surely, 2^25536453052 is an apocalyptic number.

25536453052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25536453052 is a deficient number, since it is larger than the sum of its proper divisors (23214957404).

25536453052 is a wasteful number, since it uses less digits than its factorization.

25536453052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580373948 (or 580373946 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 40.

The spelling of 25536453052 in words is "twenty-five billion, five hundred thirty-six million, four hundred fifty-three thousand, fifty-two".