25434745 has 8 divisors (see below), whose sum is σ = 34881984. Its totient is φ = 17440944.

The previous prime is 25434707. The next prime is 25434751. The reversal of 25434745 is 54743452.

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 25434745 - 2¹³ = 25426553 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25434745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363319 + ... + 363388.

It is an arithmetic number, because the mean of its divisors is an integer number (4360248).

Almost surely, 2^25434745 is an apocalyptic number.

It is an amenable number.

25434745 is a deficient number, since it is larger than the sum of its proper divisors (9447239).

25434745 is an equidigital number, since it uses as much as digits as its factorization.

25434745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726719.

The product of its digits is 67200, while the sum is 34.

The square root of 25434745 is about 5043.2871225025. The cubic root of 25434745 is about 294.0869789082.

The spelling of 25434745 in words is "twenty-five million, four hundred thirty-four thousand, seven hundred forty-five".