25164046 has 16 divisors (see below), whose sum is σ = 40345776. Its totient is φ = 11729536.

The previous prime is 25164043. The next prime is 25164053. The reversal of 25164046 is 64046152.

It is a super-2 number, since 2×25164046² = 1266458422180232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25164043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (2521611).

Almost surely, 2^25164046 is an apocalyptic number.

25164046 is a deficient number, since it is larger than the sum of its proper divisors (15181730).

25164046 is a wasteful number, since it uses less digits than its factorization.

25164046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 25164046 is about 5016.3777768426. The cubic root of 25164046 is about 293.0399445438.

The spelling of 25164046 in words is "twenty-five million, one hundred sixty-four thousand, forty-six".