25434783 has 16 divisors (see below), whose sum is σ = 41107200. Its totient is φ = 15414840.

The previous prime is 25434781. The next prime is 25434797. The reversal of 25434783 is 38743452.

It is a happy number.

It is not a de Polignac number, because 25434783 - 2¹ = 25434781 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42523 + ... + 43116.

It is an arithmetic number, because the mean of its divisors is an integer number (2569200).

Almost surely, 2^25434783 is an apocalyptic number.

25434783 is a deficient number, since it is larger than the sum of its proper divisors (15672417).

25434783 is a wasteful number, since it uses less digits than its factorization.

25434783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85659 (or 85653 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 25434783 is about 5043.2908898853. The cubic root of 25434783 is about 294.0871253653.

The spelling of 25434783 in words is "twenty-five million, four hundred thirty-four thousand, seven hundred eighty-three".