425534783 has 2 divisors, whose sum is σ = 425534784. Its totient is φ = 425534782.

The previous prime is 425534779. The next prime is 425534807. The reversal of 425534783 is 387435524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425534783 - 2² = 425534779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425534783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424534783) 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 as a sum of consecutive naturals, namely, 212767391 + 212767392.

It is an arithmetic number, because the mean of its divisors is an integer number (212767392).

Almost surely, 2^425534783 is an apocalyptic number.

425534783 is a deficient number, since it is larger than the sum of its proper divisors (1).

425534783 is an equidigital number, since it uses as much as digits as its factorization.

425534783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 41.

The square root of 425534783 is about 20628.4944433664. The cubic root of 425534783 is about 752.1625189856.

The spelling of 425534783 in words is "four hundred twenty-five million, five hundred thirty-four thousand, seven hundred eighty-three".