425084563 has 2 divisors, whose sum is σ = 425084564. Its totient is φ = 425084562.

The previous prime is 425084509. The next prime is 425084567. The reversal of 425084563 is 365480524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425084563 is a prime.

It is not a weakly prime, because it can be changed into another prime (425084567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212542281 + 212542282.

It is an arithmetic number, because the mean of its divisors is an integer number (212542282).

Almost surely, 2^425084563 is an apocalyptic number.

425084563 is a deficient number, since it is larger than the sum of its proper divisors (1).

425084563 is an equidigital number, since it uses as much as digits as its factorization.

425084563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 425084563 is about 20617.5789800840. The cubic root of 425084563 is about 751.8971602568.

The spelling of 425084563 in words is "four hundred twenty-five million, eighty-four thousand, five hundred sixty-three".