25487353 has 4 divisors (see below), whose sum is σ = 25506688. Its totient is φ = 25468020.

The previous prime is 25487327. The next prime is 25487377. The reversal of 25487353 is 35378452.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25487353 is a prime.

It is the 5049-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25487393) by changing a digit.

It is a nontrivial repunit in base 5048.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7533 + ... + 10378.

It is an arithmetic number, because the mean of its divisors is an integer number (6376672).

Almost surely, 2^25487353 is an apocalyptic number.

It is an amenable number.

25487353 is a deficient number, since it is larger than the sum of its proper divisors (19335).

25487353 is a wasteful number, since it uses less digits than its factorization.

25487353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334.

The product of its digits is 100800, while the sum is 37.

The square root of 25487353 is about 5048.5000742795. The cubic root of 25487353 is about 294.2895977184.

The spelling of 25487353 in words is "twenty-five million, four hundred eighty-seven thousand, three hundred fifty-three".