426625847 has 2 divisors, whose sum is σ = 426625848. Its totient is φ = 426625846.

The previous prime is 426625831. The next prime is 426625853. The reversal of 426625847 is 748526624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 426625847 - 2⁴ = 426625831 is a prime.

It is a super-2 number, since 2×426625847² = 364019226656934818, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426625798 and 426625807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426625817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213312923 + 213312924.

It is an arithmetic number, because the mean of its divisors is an integer number (213312924).

Almost surely, 2^426625847 is an apocalyptic number.

426625847 is a deficient number, since it is larger than the sum of its proper divisors (1).

426625847 is an equidigital number, since it uses as much as digits as its factorization.

426625847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The square root of 426625847 is about 20654.9230693314. The cubic root of 426625847 is about 752.8048143535.

The spelling of 426625847 in words is "four hundred twenty-six million, six hundred twenty-five thousand, eight hundred forty-seven".