25650045 has 12 divisors (see below), whose sum is σ = 44460156. Its totient is φ = 13680000.

The previous prime is 25650043. The next prime is 25650047. The reversal of 25650045 is 54005652.

25650045 is a `hidden beast` number, since 2 + 5 + 650 + 0 + 4 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (25650043) and next prime (25650047).

It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 19554084 = 2469^2 + 4422^2 .

It is not a de Polignac number, because 25650045 - 2¹ = 25650043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25650041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284956 + ... + 285045.

It is an arithmetic number, because the mean of its divisors is an integer number (3705013).

Almost surely, 2^25650045 is an apocalyptic number.

It is an amenable number.

25650045 is a deficient number, since it is larger than the sum of its proper divisors (18810111).

25650045 is a wasteful number, since it uses less digits than its factorization.

25650045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570012 (or 570009 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 25650045 is about 5064.5873474549. The cubic root of 25650045 is about 294.9144442119.

Adding to 25650045 its reverse (54005652), we get a palindrome (79655697).

The spelling of 25650045 in words is "twenty-five million, six hundred fifty thousand, forty-five".