425551927 has 2 divisors, whose sum is σ = 425551928. Its totient is φ = 425551926.

The previous prime is 425551909. The next prime is 425551937. The reversal of 425551927 is 729155524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425551927 - 2²³ = 417163319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425551927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425551937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212775963 + 212775964.

It is an arithmetic number, because the mean of its divisors is an integer number (212775964).

Almost surely, 2^425551927 is an apocalyptic number.

425551927 is a deficient number, since it is larger than the sum of its proper divisors (1).

425551927 is an equidigital number, since it uses as much as digits as its factorization.

425551927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 126000, while the sum is 40.

The square root of 425551927 is about 20628.9099808982. The cubic root of 425551927 is about 752.1726199233.

The spelling of 425551927 in words is "four hundred twenty-five million, five hundred fifty-one thousand, nine hundred twenty-seven".