425390611 has 2 divisors, whose sum is σ = 425390612. Its totient is φ = 425390610.

The previous prime is 425390599. The next prime is 425390627. The reversal of 425390611 is 116093524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425390611 - 2⁵ = 425390579 is a prime.

It is a Chen prime.

It is equal to p_22616176 and since 425390611 and 22616176 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (425390311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212695305 + 212695306.

It is an arithmetic number, because the mean of its divisors is an integer number (212695306).

Almost surely, 2^425390611 is an apocalyptic number.

425390611 is a deficient number, since it is larger than the sum of its proper divisors (1).

425390611 is an equidigital number, since it uses as much as digits as its factorization.

425390611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 425390611 is about 20624.9996606061. Note that the first 3 decimals coincide. The cubic root of 425390611 is about 752.0775646897.

It can be divided in two parts, 4253 and 90611, that added together give a square (94864 = 308²).

The spelling of 425390611 in words is "four hundred twenty-five million, three hundred ninety thousand, six hundred eleven".