25152453 has 6 divisors (see below), whose sum is σ = 36331334. Its totient is φ = 16768296.

The previous prime is 25152437. The next prime is 25152481. The reversal of 25152453 is 35425152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24770529 + 381924 = 4977^2 + 618^2 .

It is not a de Polignac number, because 25152453 - 2⁴ = 25152437 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 (25152433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1397350 + ... + 1397367.

Almost surely, 2^25152453 is an apocalyptic number.

It is an amenable number.

25152453 is a deficient number, since it is larger than the sum of its proper divisors (11178881).

25152453 is a wasteful number, since it uses less digits than its factorization.

25152453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794723 (or 2794720 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 25152453 is about 5015.2221286798. Note that the first 3 decimals coincide. The cubic root of 25152453 is about 292.9949367590.

The spelling of 25152453 in words is "twenty-five million, one hundred fifty-two thousand, four hundred fifty-three".