25748938 has 4 divisors (see below), whose sum is σ = 38623410. Its totient is φ = 12874468.

The previous prime is 25748927. The next prime is 25748939. The reversal of 25748938 is 83984752.

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., 19210689 + 6538249 = 4383^2 + 2557^2 .

It is not an unprimeable number, because it can be changed into a prime (25748939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6437233 + ... + 6437236.

Almost surely, 2^25748938 is an apocalyptic number.

25748938 is a deficient number, since it is larger than the sum of its proper divisors (12874472).

25748938 is a wasteful number, since it uses less digits than its factorization.

25748938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12874471.

The product of its digits is 483840, while the sum is 46.

The square root of 25748938 is about 5074.3411394978. The cubic root of 25748938 is about 295.2929695080.

The spelling of 25748938 in words is "twenty-five million, seven hundred forty-eight thousand, nine hundred thirty-eight".