25777253 has 16 divisors (see below), whose sum is σ = 28226880. Its totient is φ = 23444736.

The previous prime is 25777247. The next prime is 25777267. The reversal of 25777253 is 35277752.

It is a cyclic number.

It is not a de Polignac number, because 25777253 - 2¹⁰ = 25776229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25777153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130751 + ... + 130947.

It is an arithmetic number, because the mean of its divisors is an integer number (1764180).

Almost surely, 2^25777253 is an apocalyptic number.

It is an amenable number.

25777253 is a deficient number, since it is larger than the sum of its proper divisors (2449627).

25777253 is a wasteful number, since it uses less digits than its factorization.

25777253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436.

The product of its digits is 102900, while the sum is 38.

The square root of 25777253 is about 5077.1303902894. The cubic root of 25777253 is about 295.4011701838.

The spelling of 25777253 in words is "twenty-five million, seven hundred seventy-seven thousand, two hundred fifty-three".