425667245 has 4 divisors (see below), whose sum is σ = 510800700. Its totient is φ = 340533792.

The previous prime is 425667239. The next prime is 425667257. The reversal of 425667245 is 542766524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 80227849 + 345439396 = 8957^2 + 18586^2 .

It is a cyclic number.

It is not a de Polignac number, because 425667245 - 2⁶ = 425667181 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 42566720 + ... + 42566729.

It is an arithmetic number, because the mean of its divisors is an integer number (127700175).

Almost surely, 2^425667245 is an apocalyptic number.

It is an amenable number.

425667245 is a deficient number, since it is larger than the sum of its proper divisors (85133455).

425667245 is an equidigital number, since it uses as much as digits as its factorization.

425667245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85133454.

The product of its digits is 403200, while the sum is 41.

The square root of 425667245 is about 20631.7048495756. The cubic root of 425667245 is about 752.2405561750.

The spelling of 425667245 in words is "four hundred twenty-five million, six hundred sixty-seven thousand, two hundred forty-five".