25383242 has 4 divisors (see below), whose sum is σ = 38074866. Its totient is φ = 12691620.

The previous prime is 25383229. The next prime is 25383257. The reversal of 25383242 is 24238352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 19088161 + 6295081 = 4369^2 + 2509^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6345809 + ... + 6345812.

Almost surely, 2^25383242 is an apocalyptic number.

25383242 is a deficient number, since it is larger than the sum of its proper divisors (12691624).

25383242 is a wasteful number, since it uses less digits than its factorization.

25383242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691623.

The product of its digits is 11520, while the sum is 29.

The square root of 25383242 is about 5038.1784406668. The cubic root of 25383242 is about 293.8883451558. Note that the first 3 decimals are identical.

The spelling of 25383242 in words is "twenty-five million, three hundred eighty-three thousand, two hundred forty-two".