25551283 has 4 divisors (see below), whose sum is σ = 25804368. Its totient is φ = 25298200.

The previous prime is 25551271. The next prime is 25551287. The reversal of 25551283 is 38215552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25551283 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25551287) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 126391 + ... + 126592.

It is an arithmetic number, because the mean of its divisors is an integer number (6451092).

Almost surely, 2^25551283 is an apocalyptic number.

25551283 is a deficient number, since it is larger than the sum of its proper divisors (253085).

25551283 is a wasteful number, since it uses less digits than its factorization.

25551283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253084.

The product of its digits is 12000, while the sum is 31.

The square root of 25551283 is about 5054.8276924145. The cubic root of 25551283 is about 294.5354480887.

The spelling of 25551283 in words is "twenty-five million, five hundred fifty-one thousand, two hundred eighty-three".