25412378 has 16 divisors (see below), whose sum is σ = 39963456. Its totient is φ = 12096480.

The previous prime is 25412371. The next prime is 25412389. The reversal of 25412378 is 87321452.

It is a super-2 number, since 2×25412378² = 1291577911229768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25412371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9533 + ... + 11903.

It is an arithmetic number, because the mean of its divisors is an integer number (2497716).

Almost surely, 2^25412378 is an apocalyptic number.

25412378 is a deficient number, since it is larger than the sum of its proper divisors (14551078).

25412378 is a wasteful number, since it uses less digits than its factorization.

25412378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its digits is 13440, while the sum is 32.

The square root of 25412378 is about 5041.0691326345. The cubic root of 25412378 is about 294.0007481432. Note that the first 3 decimals are identical.

The spelling of 25412378 in words is "twenty-five million, four hundred twelve thousand, three hundred seventy-eight".