25421348 has 12 divisors (see below), whose sum is σ = 46421760. Its totient is φ = 12157992.

The previous prime is 25421321. The next prime is 25421359. The reversal of 25421348 is 84312452.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25421348.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 138068 + ... + 138251.

It is an arithmetic number, because the mean of its divisors is an integer number (3868480).

Almost surely, 2^25421348 is an apocalyptic number.

It is an amenable number.

25421348 is a deficient number, since it is larger than the sum of its proper divisors (21000412).

25421348 is a wasteful number, since it uses less digits than its factorization.

25421348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276346 (or 276344 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 25421348 is about 5041.9587463604. The cubic root of 25421348 is about 294.0353359660.

The spelling of 25421348 in words is "twenty-five million, four hundred twenty-one thousand, three hundred forty-eight".