25546045 has 16 divisors (see below), whose sum is σ = 35245440. Its totient is φ = 17411904.

The previous prime is 25546043. The next prime is 25546049. The reversal of 25546045 is 54064552.

It is a cyclic number.

It is not a de Polignac number, because 25546045 - 2¹ = 25546043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25545998 and 25546016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25546043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 8164.

It is an arithmetic number, because the mean of its divisors is an integer number (2202840).

Almost surely, 2^25546045 is an apocalyptic number.

It is an amenable number.

25546045 is a deficient number, since it is larger than the sum of its proper divisors (9699395).

25546045 is a wasteful number, since it uses less digits than its factorization.

25546045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 25546045 is about 5054.3095473071. The cubic root of 25546045 is about 294.5153201743.

The spelling of 25546045 in words is "twenty-five million, five hundred forty-six thousand, forty-five".