25534005 has 32 divisors (see below), whose sum is σ = 49152000. Its totient is φ = 11057472.

The previous prime is 25533997. The next prime is 25534027. The reversal of 25534005 is 50043552.

It is not a de Polignac number, because 25534005 - 2³ = 25533997 is a prime.

It is a super-2 number, since 2×25534005² = 1303970822680050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 4405 + ... + 8394.

It is an arithmetic number, because the mean of its divisors is an integer number (1536000).

Almost surely, 2^25534005 is an apocalyptic number.

It is an amenable number.

25534005 is a deficient number, since it is larger than the sum of its proper divisors (23617995).

25534005 is a wasteful number, since it uses less digits than its factorization.

25534005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12833.

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25534005 is about 5053.1183441515. The cubic root of 25534005 is about 294.4690439741.

Adding to 25534005 its reverse (50043552), we get a palindrome (75577557).

The spelling of 25534005 in words is "twenty-five million, five hundred thirty-four thousand, five".