25103672 has 64 divisors (see below), whose sum is σ = 54604800. Its totient is φ = 10707840.

The previous prime is 25103671. The next prime is 25103737. The reversal of 25103672 is 27630152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103671) 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, 159818 + ... + 159974.

It is an arithmetic number, because the mean of its divisors is an integer number (853200).

Almost surely, 2^25103672 is an apocalyptic number.

25103672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25103672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27302400).

25103672 is an abundant number, since it is smaller than the sum of its proper divisors (29501128).

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

25103672 is a wasteful number, since it uses less digits than its factorization.

25103672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 25103672 is about 5010.3564743439. The cubic root of 25103672 is about 292.8054014252.

The spelling of 25103672 in words is "twenty-five million, one hundred three thousand, six hundred seventy-two".