25455434 has 16 divisors (see below), whose sum is σ = 40245120. Its totient is φ = 12051600.

The previous prime is 25455431. The next prime is 25455439. The reversal of 25455434 is 43455452.

It is a self number, because there is not a number n which added to its sum of digits gives 25455434.

It is not an unprimeable number, because it can be changed into a prime (25455431) 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 7 ways as a sum of consecutive naturals, for example, 1907 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (2515320).

Almost surely, 2^25455434 is an apocalyptic number.

25455434 is a deficient number, since it is larger than the sum of its proper divisors (14789686).

25455434 is a wasteful number, since it uses less digits than its factorization.

25455434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605.

The product of its digits is 48000, while the sum is 32.

The square root of 25455434 is about 5045.3378479543. The cubic root of 25455434 is about 294.1666955392.

The spelling of 25455434 in words is "twenty-five million, four hundred fifty-five thousand, four hundred thirty-four".