25301138 has 8 divisors (see below), whose sum is σ = 38011788. Its totient is φ = 12630544.

The previous prime is 25301131. The next prime is 25301183. The reversal of 25301138 is 83110352.

It can be written as a sum of positive squares in 2 ways, for example, as 23746129 + 1555009 = 4873^2 + 1247^2 .

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

It is not an unprimeable number, because it can be changed into a prime (25301131) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8381 + ... + 10992.

Almost surely, 2^25301138 is an apocalyptic number.

25301138 is a deficient number, since it is larger than the sum of its proper divisors (12710650).

25301138 is a wasteful number, since it uses less digits than its factorization.

25301138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20028.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 25301138 is about 5030.0236579961. The cubic root of 25301138 is about 293.5711349315.

The spelling of 25301138 in words is "twenty-five million, three hundred one thousand, one hundred thirty-eight".