25401416 has 32 divisors (see below), whose sum is σ = 48988800. Its totient is φ = 12342720.

The previous prime is 25401391. The next prime is 25401443. The reversal of 25401416 is 61410452.

It is a junction number, because it is equal to n+sod(n) for n = 25401391 and 25401400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58721 + ... + 59151.

It is an arithmetic number, because the mean of its divisors is an integer number (1530900).

Almost surely, 2^25401416 is an apocalyptic number.

It is an amenable number.

25401416 is a deficient number, since it is larger than the sum of its proper divisors (23587384).

25401416 is a wasteful number, since it uses less digits than its factorization.

25401416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 625 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 25401416 is about 5039.9817459987. The cubic root of 25401416 is about 293.9584682259.

Adding to 25401416 its reverse (61410452), we get a palindrome (86811868).

The spelling of 25401416 in words is "twenty-five million, four hundred one thousand, four hundred sixteen".