25028190 has 120 divisors (see below), whose sum is σ = 74827368. Its totient is φ = 5952960.

The previous prime is 25028183. The next prime is 25028203. The reversal of 25028190 is 9182052.

It is a super-2 number, since 2×25028190² = 1252820589352200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 472204 + ... + 472256.

Almost surely, 2^25028190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25028190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37413684).

25028190 is an abundant number, since it is smaller than the sum of its proper divisors (49799178).

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

25028190 is a wasteful number, since it uses less digits than its factorization.

25028190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 25028190 is about 5002.8182057716. The cubic root of 25028190 is about 292.5116366179.

The spelling of 25028190 in words is "twenty-five million, twenty-eight thousand, one hundred ninety".