25103397 has 32 divisors (see below), whose sum is σ = 38486016. Its totient is φ = 14414400.

The previous prime is 25103387. The next prime is 25103411. The reversal of 25103397 is 79330152.

It is not a de Polignac number, because 25103397 - 2⁴ = 25103381 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25103387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53988 + ... + 54450.

It is an arithmetic number, because the mean of its divisors is an integer number (1202688).

Almost surely, 2^25103397 is an apocalyptic number.

It is an amenable number.

25103397 is a deficient number, since it is larger than the sum of its proper divisors (13382619).

25103397 is a wasteful number, since it uses less digits than its factorization.

25103397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 25103397 is about 5010.3290311116. The cubic root of 25103397 is about 292.8043322353.

The spelling of 25103397 in words is "twenty-five million, one hundred three thousand, three hundred ninety-seven".