425937847 has 2 divisors, whose sum is σ = 425937848. Its totient is φ = 425937846.

The previous prime is 425937781. The next prime is 425937859. The reversal of 425937847 is 748739524.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425937847 - 2²³ = 417549239 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425937847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425937047) 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, 212968923 + 212968924.

It is an arithmetic number, because the mean of its divisors is an integer number (212968924).

Almost surely, 2^425937847 is an apocalyptic number.

425937847 is a deficient number, since it is larger than the sum of its proper divisors (1).

425937847 is an equidigital number, since it uses as much as digits as its factorization.

425937847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 425937847 is about 20638.2617242829. The cubic root of 425937847 is about 752.3999253237.

The spelling of 425937847 in words is "four hundred twenty-five million, nine hundred thirty-seven thousand, eight hundred forty-seven".