25434345 has 8 divisors (see below), whose sum is σ = 40694976. Its totient is φ = 13564976.

The previous prime is 25434341. The next prime is 25434347. The reversal of 25434345 is 54343452.

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 25434345 - 2² = 25434341 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25434341) 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, 847797 + ... + 847826.

It is an arithmetic number, because the mean of its divisors is an integer number (5086872).

Almost surely, 2^25434345 is an apocalyptic number.

It is an amenable number.

25434345 is a deficient number, since it is larger than the sum of its proper divisors (15260631).

25434345 is a wasteful number, since it uses less digits than its factorization.

25434345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695631.

The product of its digits is 28800, while the sum is 30.

The square root of 25434345 is about 5043.2474656713. The cubic root of 25434345 is about 294.0854372453.

Adding to 25434345 its reverse (54343452), we get a palindrome (79777797).

The spelling of 25434345 in words is "twenty-five million, four hundred thirty-four thousand, three hundred forty-five".