425568047 has 2 divisors, whose sum is σ = 425568048. Its totient is φ = 425568046.

The previous prime is 425568019. The next prime is 425568053. The reversal of 425568047 is 740865524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425568047 is a prime.

It is a super-2 number, since 2×425568047² = 362216325254788418, 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 = 425567995 and 425568013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425568097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212784023 + 212784024.

It is an arithmetic number, because the mean of its divisors is an integer number (212784024).

Almost surely, 2^425568047 is an apocalyptic number.

425568047 is a deficient number, since it is larger than the sum of its proper divisors (1).

425568047 is an equidigital number, since it uses as much as digits as its factorization.

425568047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 41.

The square root of 425568047 is about 20629.3006910074. The cubic root of 425568047 is about 752.1821172912.

The spelling of 425568047 in words is "four hundred twenty-five million, five hundred sixty-eight thousand, forty-seven".