25401046 has 24 divisors (see below), whose sum is σ = 42871752. Its totient is φ = 11272800.

The previous prime is 25401041. The next prime is 25401053. The reversal of 25401046 is 64010452.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25401041) 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 11 ways as a sum of consecutive naturals, for example, 9186 + ... + 11626.

It is an arithmetic number, because the mean of its divisors is an integer number (1786323).

Almost surely, 2^25401046 is an apocalyptic number.

25401046 is a deficient number, since it is larger than the sum of its proper divisors (17470706).

25401046 is a wasteful number, since it uses less digits than its factorization.

25401046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25401046 is about 5039.9450393829. The cubic root of 25401046 is about 293.9570409411.

Adding to 25401046 its reverse (64010452), we get a palindrome (89411498).

The spelling of 25401046 in words is "twenty-five million, four hundred one thousand, forty-six".