25454253 has 32 divisors (see below), whose sum is σ = 39588480. Its totient is φ = 14426880.

The previous prime is 25454249. The next prime is 25454293. The reversal of 25454253 is 35245452.

It is not a de Polignac number, because 25454253 - 2² = 25454249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25454253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25454293) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162051 + ... + 162207.

It is an arithmetic number, because the mean of its divisors is an integer number (1237140).

Almost surely, 2^25454253 is an apocalyptic number.

It is an amenable number.

25454253 is a deficient number, since it is larger than the sum of its proper divisors (14134227).

25454253 is a wasteful number, since it uses less digits than its factorization.

25454253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 188 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 25454253 is about 5045.2208078537. The cubic root of 25454253 is about 294.1621461996.

The spelling of 25454253 in words is "twenty-five million, four hundred fifty-four thousand, two hundred fifty-three".