25385830 has 16 divisors (see below), whose sum is σ = 45848880. Its totient is φ = 10120032.

The previous prime is 25385819. The next prime is 25385839. The reversal of 25385830 is 3858352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25385839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065 + ... + 7204.

It is an arithmetic number, because the mean of its divisors is an integer number (2865555).

Almost surely, 2^25385830 is an apocalyptic number.

25385830 is a deficient number, since it is larger than the sum of its proper divisors (20463050).

25385830 is a wasteful number, since it uses less digits than its factorization.

25385830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 25385830 is about 5038.4352729791. The cubic root of 25385830 is about 293.8983328108.

The spelling of 25385830 in words is "twenty-five million, three hundred eighty-five thousand, eight hundred thirty".