25684230 has 64 divisors (see below), whose sum is σ = 72430848. Its totient is φ = 5746560.

The previous prime is 25684207. The next prime is 25684237. The reversal of 25684230 is 3248652.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25684237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297 + ... + 7283.

It is an arithmetic number, because the mean of its divisors is an integer number (1131732).

Almost surely, 2^25684230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25684230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36215424).

25684230 is an abundant number, since it is smaller than the sum of its proper divisors (46746618).

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

25684230 is a wasteful number, since it uses less digits than its factorization.

25684230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 25684230 is about 5067.9611285013. The cubic root of 25684230 is about 295.0454014198.

The spelling of 25684230 in words is "twenty-five million, six hundred eighty-four thousand, two hundred thirty".