25510045 has 16 divisors (see below), whose sum is σ = 33530112. Its totient is φ = 18477760.

The previous prime is 25510021. The next prime is 25510063. The reversal of 25510045 is 54001552.

It is not a de Polignac number, because 25510045 - 2¹¹ = 25507997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25509998 and 25510025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15324 + ... + 16906.

It is an arithmetic number, because the mean of its divisors is an integer number (2095632).

Almost surely, 2^25510045 is an apocalyptic number.

It is an amenable number.

25510045 is a deficient number, since it is larger than the sum of its proper divisors (8020067).

25510045 is a wasteful number, since it uses less digits than its factorization.

25510045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 25510045 is about 5050.7469744583. The cubic root of 25510045 is about 294.3769095009.

Adding to 25510045 its reverse (54001552), we get a palindrome (79511597).

The spelling of 25510045 in words is "twenty-five million, five hundred ten thousand, forty-five".