25434782 has 16 divisors (see below), whose sum is σ = 38966400. Its totient is φ = 12447960.

The previous prime is 25434781. The next prime is 25434797. The reversal of 25434782 is 28743452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434781) 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, 51557 + ... + 52047.

It is an arithmetic number, because the mean of its divisors is an integer number (2435400).

Almost surely, 2^25434782 is an apocalyptic number.

25434782 is a deficient number, since it is larger than the sum of its proper divisors (13531618).

25434782 is a wasteful number, since it uses less digits than its factorization.

25434782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 53760, while the sum is 35.

The square root of 25434782 is about 5043.2907907437. The cubic root of 25434782 is about 294.0871215112.

The spelling of 25434782 in words is "twenty-five million, four hundred thirty-four thousand, seven hundred eighty-two".