25361253 has 6 divisors (see below), whose sum is σ = 36632934. Its totient is φ = 16907496.

The previous prime is 25361251. The next prime is 25361261. The reversal of 25361253 is 35216352.

25361253 is a `hidden beast` number, since 2 + 536 + 125 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 16016004 + 9345249 = 4002^2 + 3057^2 .

It is not a de Polignac number, because 25361253 - 2¹ = 25361251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25361251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1408950 + ... + 1408967.

It is an arithmetic number, because the mean of its divisors is an integer number (6105489).

Almost surely, 2^25361253 is an apocalyptic number.

It is an amenable number.

25361253 is a deficient number, since it is larger than the sum of its proper divisors (11271681).

25361253 is a wasteful number, since it uses less digits than its factorization.

25361253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817923 (or 2817920 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 25361253 is about 5035.9957307369. The cubic root of 25361253 is about 293.8034574206.

The spelling of 25361253 in words is "twenty-five million, three hundred sixty-one thousand, two hundred fifty-three".