425424771 has 8 divisors (see below), whose sum is σ = 630258960. Its totient is φ = 283616496.

The previous prime is 425424739. The next prime is 425424841. The reversal of 425424771 is 177424524.

425424771 is a `hidden beast` number, since 4 + 2 + 542 + 47 + 71 = 666.

It is not a de Polignac number, because 425424771 - 2⁵ = 425424739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425424271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7878210 + ... + 7878263.

It is an arithmetic number, because the mean of its divisors is an integer number (78782370).

Almost surely, 2^425424771 is an apocalyptic number.

425424771 is a deficient number, since it is larger than the sum of its proper divisors (204834189).

425424771 is a wasteful number, since it uses less digits than its factorization.

425424771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15756482 (or 15756476 counting only the distinct ones).

The product of its digits is 62720, while the sum is 36.

The square root of 425424771 is about 20625.8277652074. The cubic root of 425424771 is about 752.0976954286.

The spelling of 425424771 in words is "four hundred twenty-five million, four hundred twenty-four thousand, seven hundred seventy-one".