25419242 has 8 divisors (see below), whose sum is σ = 38372196. Its totient is φ = 12628512.

The previous prime is 25419239. The next prime is 25419269. The reversal of 25419242 is 24291452.

It can be written as a sum of positive squares in 2 ways, for example, as 23726641 + 1692601 = 4871^2 + 1301^2 .

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

It is a super-2 number, since 2×25419242² = 1292275727709128, which contains 22 as substring.

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, 40163 + ... + 40790.

Almost surely, 2^25419242 is an apocalyptic number.

25419242 is a deficient number, since it is larger than the sum of its proper divisors (12952954).

25419242 is a wasteful number, since it uses less digits than its factorization.

25419242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81112.

The product of its digits is 5760, while the sum is 29.

The square root of 25419242 is about 5041.7498946298. The cubic root of 25419242 is about 294.0272160777.

The spelling of 25419242 in words is "twenty-five million, four hundred nineteen thousand, two hundred forty-two".