425258567 has 2 divisors, whose sum is σ = 425258568. Its totient is φ = 425258566.

The previous prime is 425258543. The next prime is 425258623. The reversal of 425258567 is 765852524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425258567 - 2⁶ = 425258503 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425252567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212629283 + 212629284.

It is an arithmetic number, because the mean of its divisors is an integer number (212629284).

Almost surely, 2^425258567 is an apocalyptic number.

425258567 is a deficient number, since it is larger than the sum of its proper divisors (1).

425258567 is an equidigital number, since it uses as much as digits as its factorization.

425258567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 672000, while the sum is 44.

The square root of 425258567 is about 20621.7983454402. The cubic root of 425258567 is about 751.9997400548. Note that the first 3 decimals are identical.

The spelling of 425258567 in words is "four hundred twenty-five million, two hundred fifty-eight thousand, five hundred sixty-seven".