25000632 has 96 divisors (see below), whose sum is σ = 73082880. Its totient is φ = 7698240.

The previous prime is 25000627. The next prime is 25000643. The reversal of 25000632 is 23600052.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51093 + ... + 51579.

It is an arithmetic number, because the mean of its divisors is an integer number (761280).

Almost surely, 2^25000632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36541440).

25000632 is an abundant number, since it is smaller than the sum of its proper divisors (48082248).

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

25000632 is a wasteful number, since it uses less digits than its factorization.

25000632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 25000632 is about 5000.0631996006. The cubic root of 25000632 is about 292.4042377728.

Adding to 25000632 its reverse (23600052), we get a palindrome (48600684).

The spelling of 25000632 in words is "twenty-five million, six hundred thirty-two", and thus it is an aban number.