25413630 has 48 divisors (see below), whose sum is σ = 67051152. Its totient is φ = 6160000.

The previous prime is 25413629. The next prime is 25413631. The reversal of 25413630 is 3631452.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25413629) and next prime (25413631).

It is a self number, because there is not a number n which added to its sum of digits gives 25413630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130 + ... + 7130.

It is an arithmetic number, because the mean of its divisors is an integer number (1396899).

Almost surely, 2^25413630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25413630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33525576).

25413630 is an abundant number, since it is smaller than the sum of its proper divisors (41637522).

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

25413630 is a wasteful number, since it uses less digits than its factorization.

25413630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033 (or 7022 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 25413630 is about 5041.1933111120. The cubic root of 25413630 is about 294.0055762744.

The spelling of 25413630 in words is "twenty-five million, four hundred thirteen thousand, six hundred thirty".