25038397 has 4 divisors (see below), whose sum is σ = 25901820. Its totient is φ = 24174976.

The previous prime is 25038383. The next prime is 25038401. The reversal of 25038397 is 79383052.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20666116 + 4372281 = 4546^2 + 2091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25038397 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25038347) 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, 431668 + ... + 431725.

It is an arithmetic number, because the mean of its divisors is an integer number (6475455).

Almost surely, 2^25038397 is an apocalyptic number.

It is an amenable number.

25038397 is a deficient number, since it is larger than the sum of its proper divisors (863423).

25038397 is an equidigital number, since it uses as much as digits as its factorization.

25038397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863422.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 25038397 is about 5003.8382268015. The cubic root of 25038397 is about 292.5513952593.

The spelling of 25038397 in words is "twenty-five million, thirty-eight thousand, three hundred ninety-seven".