25001272632 has 64 divisors (see below), whose sum is σ = 75634110720. Its totient is φ = 6723030528.

The previous prime is 25001272631. The next prime is 25001272633. The reversal of 25001272632 is 23627210052.

It is an interprime number because it is at equal distance from previous prime (25001272631) and next prime (25001272633).

It is a self number, because there is not a number n which added to its sum of digits gives 25001272632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25001272631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4374118 + ... + 4379829.

It is an arithmetic number, because the mean of its divisors is an integer number (1181782980).

Almost surely, 2^25001272632 is an apocalyptic number.

It is an amenable number.

25001272632 is an abundant number, since it is smaller than the sum of its proper divisors (50632838088).

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

25001272632 is a wasteful number, since it uses less digits than its factorization.

25001272632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753980 (or 8753976 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 25001272632 its reverse (23627210052), we get a palindrome (48628482684).

The spelling of 25001272632 in words is "twenty-five billion, one million, two hundred seventy-two thousand, six hundred thirty-two".