25428246 has 16 divisors (see below), whose sum is σ = 52497408. Its totient is φ = 8202600.

The previous prime is 25428239. The next prime is 25428307. The reversal of 25428246 is 64282452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68170 + ... + 68541.

It is an arithmetic number, because the mean of its divisors is an integer number (3281088).

Almost surely, 2^25428246 is an apocalyptic number.

25428246 is an abundant number, since it is smaller than the sum of its proper divisors (27069162).

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

25428246 is a wasteful number, since it uses less digits than its factorization.

25428246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136747.

The product of its digits is 30720, while the sum is 33.

The square root of 25428246 is about 5042.6427595062. The cubic root of 25428246 is about 294.0619287378.

The spelling of 25428246 in words is "twenty-five million, four hundred twenty-eight thousand, two hundred forty-six".