25503463 has 4 divisors (see below), whose sum is σ = 25534080. Its totient is φ = 25472848.

The previous prime is 25503461. The next prime is 25503479. The reversal of 25503463 is 36430552.

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 25503463 - 2¹ = 25503461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503461) 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, 14023 + ... + 15736.

It is an arithmetic number, because the mean of its divisors is an integer number (6383520).

Almost surely, 2^25503463 is an apocalyptic number.

25503463 is a deficient number, since it is larger than the sum of its proper divisors (30617).

25503463 is an equidigital number, since it uses as much as digits as its factorization.

25503463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30616.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 25503463 is about 5050.0953456346. The cubic root of 25503463 is about 294.3515893380.

The spelling of 25503463 in words is "twenty-five million, five hundred three thousand, four hundred sixty-three".