425310240233251 has 2 divisors, whose sum is σ = 425310240233252. Its totient is φ = 425310240233250.

The previous prime is 425310240233243. The next prime is 425310240233267. The reversal of 425310240233251 is 152332042013524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425310240233251 - 2³ = 425310240233243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425310240233251.

It is not a weakly prime, because it can be changed into another prime (425310240233651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212655120116625 + 212655120116626.

It is an arithmetic number, because the mean of its divisors is an integer number (212655120116626).

Almost surely, 2^{425310240233251} is an apocalyptic number.

425310240233251 is a deficient number, since it is larger than the sum of its proper divisors (1).

425310240233251 is an equidigital number, since it uses as much as digits as its factorization.

425310240233251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 425310240233251 its reverse (152332042013524), we get a palindrome (577642282246775).

The spelling of 425310240233251 in words is "four hundred twenty-five trillion, three hundred ten billion, two hundred forty million, two hundred thirty-three thousand, two hundred fifty-one".