25830345 has 16 divisors (see below), whose sum is σ = 42109632. Its totient is φ = 13515840.

The previous prime is 25830341. The next prime is 25830349. The reversal of 25830345 is 54303852.

It is an interprime number because it is at equal distance from previous prime (25830341) and next prime (25830349).

It is not a de Polignac number, because 25830345 - 2² = 25830341 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (25830341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15451 + ... + 17040.

It is an arithmetic number, because the mean of its divisors is an integer number (2631852).

Almost surely, 2^25830345 is an apocalyptic number.

It is an amenable number.

25830345 is a deficient number, since it is larger than the sum of its proper divisors (16279287).

25830345 is a wasteful number, since it uses less digits than its factorization.

25830345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32552.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 25830345 is about 5082.3562448927. The cubic root of 25830345 is about 295.6038383242.

It can be divided in two parts, 258 and 30345, that added together give a palindrome (30603).

The spelling of 25830345 in words is "twenty-five million, eight hundred thirty thousand, three hundred forty-five".