25275124 has 48 divisors (see below), whose sum is σ = 55399680. Its totient is φ = 9838080.

The previous prime is 25275121. The next prime is 25275139. The reversal of 25275124 is 42157252.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 25275092 and 25275101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25275121) 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, 12889 + ... + 14719.

It is an arithmetic number, because the mean of its divisors is an integer number (1154160).

Almost surely, 2^25275124 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 25275124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27699840).

25275124 is an abundant number, since it is smaller than the sum of its proper divisors (30124556).

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

25275124 is a wasteful number, since it uses less digits than its factorization.

25275124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1886 counting only the distinct ones).

The product of its digits is 5600, while the sum is 28.

The square root of 25275124 is about 5027.4371204422. The cubic root of 25275124 is about 293.4704862521.

The spelling of 25275124 in words is "twenty-five million, two hundred seventy-five thousand, one hundred twenty-four".