25481453 has 8 divisors (see below), whose sum is σ = 27351288. Its totient is φ = 23652864.

The previous prime is 25481429. The next prime is 25481497. The reversal of 25481453 is 35418452.

It can be written as a sum of positive squares in 4 ways, for example, as 9815689 + 15665764 = 3133^2 + 3958^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25481453 - 2¹² = 25477357 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 (25421453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9026 + ... + 11507.

It is an arithmetic number, because the mean of its divisors is an integer number (3418911).

Almost surely, 2^25481453 is an apocalyptic number.

It is an amenable number.

25481453 is a deficient number, since it is larger than the sum of its proper divisors (1869835).

25481453 is a wasteful number, since it uses less digits than its factorization.

25481453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20623.

The product of its digits is 19200, while the sum is 32.

The square root of 25481453 is about 5047.9157084880. The cubic root of 25481453 is about 294.2668878588.

The spelling of 25481453 in words is "twenty-five million, four hundred eighty-one thousand, four hundred fifty-three".