25421334 has 8 divisors (see below), whose sum is σ = 50842680. Its totient is φ = 8473776.

The previous prime is 25421321. The next prime is 25421359. The reversal of 25421334 is 43312452.

It is a sphenic number, since it is the product of 3 distinct primes.

25421334 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2118439 + ... + 2118450.

It is an arithmetic number, because the mean of its divisors is an integer number (6355335).

Almost surely, 2^25421334 is an apocalyptic number.

25421334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25421334 is a wasteful number, since it uses less digits than its factorization.

25421334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236894.

The product of its digits is 2880, while the sum is 24.

The square root of 25421334 is about 5041.9573580109. The cubic root of 25421334 is about 294.0352819891.

Adding to 25421334 its reverse (43312452), we get a palindrome (68733786).

The spelling of 25421334 in words is "twenty-five million, four hundred twenty-one thousand, three hundred thirty-four".