25854057 has 12 divisors (see below), whose sum is σ = 37957764. Its totient is φ = 16953120.

The previous prime is 25854053. The next prime is 25854077. The reversal of 25854057 is 75045852.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15023376 + 10830681 = 3876^2 + 3291^2 .

It is not a de Polignac number, because 25854057 - 2² = 25854053 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25854053) 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, 22998 + ... + 24095.

It is an arithmetic number, because the mean of its divisors is an integer number (3163147).

Almost surely, 2^25854057 is an apocalyptic number.

It is an amenable number.

25854057 is a deficient number, since it is larger than the sum of its proper divisors (12103707).

25854057 is a wasteful number, since it uses less digits than its factorization.

25854057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47160 (or 47157 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 25854057 is about 5084.6884860333. The cubic root of 25854057 is about 295.6942644550.

The spelling of 25854057 in words is "twenty-five million, eight hundred fifty-four thousand, fifty-seven".