25153453 has 12 divisors (see below), whose sum is σ = 27505660. Its totient is φ = 23001576.

The previous prime is 25153423. The next prime is 25153483. The reversal of 25153453 is 35435152.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (25153423) and next prime (25153483).

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 24226084 = 963^2 + 4922^2 .

It is a de Polignac number, because none of the positive numbers 2^k-25153453 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

Its product of digits (9000) is a multiple of the sum of its prime divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25153423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235026 + ... + 235132.

Almost surely, 2^25153453 is an apocalyptic number.

It is an amenable number.

25153453 is a deficient number, since it is larger than the sum of its proper divisors (2352207).

25153453 is an frugal number, since it uses more digits than its factorization.

25153453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 120 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 25153453 is about 5015.3218241704. The cubic root of 25153453 is about 292.9988196282.

The spelling of 25153453 in words is "twenty-five million, one hundred fifty-three thousand, four hundred fifty-three".