25276653 has 6 divisors (see below), whose sum is σ = 36510734. Its totient is φ = 16851096.

The previous prime is 25276651. The next prime is 25276663. The reversal of 25276653 is 35667252.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25220484 + 56169 = 5022^2 + 237^2 .

It is not a de Polignac number, because 25276653 - 2¹ = 25276651 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 (25276651) 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, 1404250 + ... + 1404267.

Almost surely, 2^25276653 is an apocalyptic number.

It is an amenable number.

25276653 is a deficient number, since it is larger than the sum of its proper divisors (11234081).

25276653 is a wasteful number, since it uses less digits than its factorization.

25276653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2808523 (or 2808520 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 25276653 is about 5027.5891836943. The cubic root of 25276653 is about 293.4764038931.

It can be divided in two parts, 2527 and 6653, that added together give a triangular number (9180 = T₁₃₅).

The spelling of 25276653 in words is "twenty-five million, two hundred seventy-six thousand, six hundred fifty-three".