25321394 has 16 divisors (see below), whose sum is σ = 44582208. Its totient is φ = 10558512.

The previous prime is 25321393. The next prime is 25321397. The reversal of 25321394 is 49312352.

It is not an unprimeable number, because it can be changed into a prime (25321393) 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, 23924 + ... + 24959.

It is an arithmetic number, because the mean of its divisors is an integer number (2786388).

Almost surely, 2^25321394 is an apocalyptic number.

25321394 is a deficient number, since it is larger than the sum of its proper divisors (19260814).

25321394 is a wasteful number, since it uses less digits than its factorization.

25321394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48929.

The product of its digits is 6480, while the sum is 29.

The square root of 25321394 is about 5032.0367645716. The cubic root of 25321394 is about 293.6494580314.

The spelling of 25321394 in words is "twenty-five million, three hundred twenty-one thousand, three hundred ninety-four".