25105830 has 16 divisors (see below), whose sum is σ = 60254064. Its totient is φ = 6694880.

The previous prime is 25105823. The next prime is 25105837. The reversal of 25105830 is 3850152.

It is an interprime number because it is at equal distance from previous prime (25105823) and next prime (25105837).

It is a self number, because there is not a number n which added to its sum of digits gives 25105830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25105837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418401 + ... + 418460.

It is an arithmetic number, because the mean of its divisors is an integer number (3765879).

Almost surely, 2^25105830 is an apocalyptic number.

25105830 is an abundant number, since it is smaller than the sum of its proper divisors (35148234).

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

25105830 is a wasteful number, since it uses less digits than its factorization.

25105830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836871.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 25105830 is about 5010.5718236545. The cubic root of 25105830 is about 292.8137913791.

Adding to 25105830 its reverse (3850152), we get a palindrome (28955982).

The spelling of 25105830 in words is "twenty-five million, one hundred five thousand, eight hundred thirty".