425318963 has 2 divisors, whose sum is σ = 425318964. Its totient is φ = 425318962.

The previous prime is 425318923. The next prime is 425319001. The reversal of 425318963 is 369813524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425318963 - 2¹⁰ = 425317939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425318963.

It is not a weakly prime, because it can be changed into another prime (425318923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212659481 + 212659482.

It is an arithmetic number, because the mean of its divisors is an integer number (212659482).

Almost surely, 2^425318963 is an apocalyptic number.

425318963 is a deficient number, since it is larger than the sum of its proper divisors (1).

425318963 is an equidigital number, since it uses as much as digits as its factorization.

425318963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 41.

The square root of 425318963 is about 20623.2626662223. The cubic root of 425318963 is about 752.0353384961.

The spelling of 425318963 in words is "four hundred twenty-five million, three hundred eighteen thousand, nine hundred sixty-three".