25253435 has 4 divisors (see below), whose sum is σ = 30304128. Its totient is φ = 20202744.

The previous prime is 25253411. The next prime is 25253441. The reversal of 25253435 is 53435252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25253435 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25253398 and 25253407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525339 + ... + 2525348.

It is an arithmetic number, because the mean of its divisors is an integer number (7576032).

Almost surely, 2^25253435 is an apocalyptic number.

25253435 is a deficient number, since it is larger than the sum of its proper divisors (5050693).

25253435 is an equidigital number, since it uses as much as digits as its factorization.

25253435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050692.

The product of its digits is 18000, while the sum is 29.

The square root of 25253435 is about 5025.2795942116. The cubic root of 25253435 is about 293.3865182776.

Adding to 25253435 its reverse (53435252), we get a palindrome (78688687).

The spelling of 25253435 in words is "twenty-five million, two hundred fifty-three thousand, four hundred thirty-five".