425506259 has 2 divisors, whose sum is σ = 425506260. Its totient is φ = 425506258.

The previous prime is 425506201. The next prime is 425506297. The reversal of 425506259 is 952605524.

It is an a-pointer prime, because the next prime (425506297) can be obtained adding 425506259 to its sum of digits (38).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425506259 - 2²⁴ = 408729043 is a prime.

It is not a weakly prime, because it can be changed into another prime (425506859) 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, 212753129 + 212753130.

It is an arithmetic number, because the mean of its divisors is an integer number (212753130).

Almost surely, 2^425506259 is an apocalyptic number.

425506259 is a deficient number, since it is larger than the sum of its proper divisors (1).

425506259 is an equidigital number, since it uses as much as digits as its factorization.

425506259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 425506259 is about 20627.8030580089. The cubic root of 425506259 is about 752.1457125545.

The spelling of 425506259 in words is "four hundred twenty-five million, five hundred six thousand, two hundred fifty-nine".