25038723 has 4 divisors (see below), whose sum is σ = 33384968. Its totient is φ = 16692480.

The previous prime is 25038721. The next prime is 25038757. The reversal of 25038723 is 32783052.

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

It is not a de Polignac number, because 25038723 - 2¹ = 25038721 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25038721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4173118 + ... + 4173123.

It is an arithmetic number, because the mean of its divisors is an integer number (8346242).

Almost surely, 2^25038723 is an apocalyptic number.

25038723 is a deficient number, since it is larger than the sum of its proper divisors (8346245).

25038723 is an equidigital number, since it uses as much as digits as its factorization.

25038723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8346244.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 25038723 is about 5003.8708016894. The cubic root of 25038723 is about 292.5526649272.

It can be divided in two parts, 2 and 5038723, that added together give a triangular number (5038725 = T₃₁₇₄).

The spelling of 25038723 in words is "twenty-five million, thirty-eight thousand, seven hundred twenty-three".