25053623 has 4 divisors (see below), whose sum is σ = 28632720. Its totient is φ = 21474528.

The previous prime is 25053607. The next prime is 25053629. The reversal of 25053623 is 32635052.

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 25053623 - 2⁴ = 25053607 is a prime.

It is a super-2 number, since 2×25053623² = 1255368050852258, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25053592 and 25053601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053629) 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, 1789538 + ... + 1789551.

It is an arithmetic number, because the mean of its divisors is an integer number (7158180).

Almost surely, 2^25053623 is an apocalyptic number.

25053623 is a deficient number, since it is larger than the sum of its proper divisors (3579097).

25053623 is an equidigital number, since it uses as much as digits as its factorization.

25053623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579096.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 25053623 is about 5005.3594276535. The cubic root of 25053623 is about 292.6106839981.

Adding to 25053623 its reverse (32635052), we get a palindrome (57688675).

The spelling of 25053623 in words is "twenty-five million, fifty-three thousand, six hundred twenty-three".