25234403 has 4 divisors (see below), whose sum is σ = 26048448. Its totient is φ = 24420360.

The previous prime is 25234397. The next prime is 25234439. The reversal of 25234403 is 30443252.

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

It is a cyclic number.

It is not a de Polignac number, because 25234403 - 2¹⁴ = 25218019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25234463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406976 + ... + 407037.

It is an arithmetic number, because the mean of its divisors is an integer number (6512112).

Almost surely, 2^25234403 is an apocalyptic number.

25234403 is a deficient number, since it is larger than the sum of its proper divisors (814045).

25234403 is an equidigital number, since it uses as much as digits as its factorization.

25234403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814044.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 25234403 is about 5023.3856113183. The cubic root of 25234403 is about 293.3127971447.

Adding to 25234403 its reverse (30443252), we get a palindrome (55677655).

The spelling of 25234403 in words is "twenty-five million, two hundred thirty-four thousand, four hundred three".