25349874 has 16 divisors (see below), whose sum is σ = 55308960. Its totient is φ = 7681760.

The previous prime is 25349869. The next prime is 25349879. The reversal of 25349874 is 47894352.

It is an interprime number because it is at equal distance from previous prime (25349869) and next prime (25349879).

It is a super-2 number, since 2×25349874² = 1285232223631752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25349879) 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, 191979 + ... + 192110.

It is an arithmetic number, because the mean of its divisors is an integer number (3456810).

Almost surely, 2^25349874 is an apocalyptic number.

25349874 is an abundant number, since it is smaller than the sum of its proper divisors (29959086).

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

25349874 is a wasteful number, since it uses less digits than its factorization.

25349874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384105.

The product of its digits is 241920, while the sum is 42.

The square root of 25349874 is about 5034.8658373387. The cubic root of 25349874 is about 293.7595099381.

The spelling of 25349874 in words is "twenty-five million, three hundred forty-nine thousand, eight hundred seventy-four".