25053405 has 24 divisors (see below), whose sum is σ = 43410528. Its totient is φ = 12332736.

The previous prime is 25053401. The next prime is 25053409. The reversal of 25053405 is 50435052.

It is an interprime number because it is at equal distance from previous prime (25053401) and next prime (25053409).

It is not a de Polignac number, because 25053405 - 2² = 25053401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2407 + ... + 7476.

It is an arithmetic number, because the mean of its divisors is an integer number (1808772).

Almost surely, 2^25053405 is an apocalyptic number.

It is an amenable number.

25053405 is a deficient number, since it is larger than the sum of its proper divisors (18357123).

25053405 is a wasteful number, since it uses less digits than its factorization.

25053405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9917 (or 9904 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 25053405 is about 5005.3376509482. The cubic root of 25053405 is about 292.6098352943.

Adding to 25053405 its reverse (50435052), we get a palindrome (75488457).

The spelling of 25053405 in words is "twenty-five million, fifty-three thousand, four hundred five".