25412503 has 4 divisors (see below), whose sum is σ = 25544368. Its totient is φ = 25280640.

The previous prime is 25412473. The next prime is 25412531. The reversal of 25412503 is 30521452.

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 25412503 - 2²¹ = 23315351 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25413503) 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 3 ways as a sum of consecutive naturals, for example, 65643 + ... + 66028.

It is an arithmetic number, because the mean of its divisors is an integer number (6386092).

Almost surely, 2^25412503 is an apocalyptic number.

25412503 is a deficient number, since it is larger than the sum of its proper divisors (131865).

25412503 is a wasteful number, since it uses less digits than its factorization.

25412503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131864.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 25412503 is about 5041.0815307829. The cubic root of 25412503 is about 294.0012301921.

Adding to 25412503 its reverse (30521452), we get a palindrome (55933955).

The spelling of 25412503 in words is "twenty-five million, four hundred twelve thousand, five hundred three".