425434147 has 6 divisors (see below), whose sum is σ = 440611028. Its totient is φ = 410763192.

The previous prime is 425434123. The next prime is 425434169. The reversal of 425434147 is 741434524.

It is a de Polignac number, because none of the positive numbers 2^k-425434147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425434117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252093 + ... + 253774.

Almost surely, 2^425434147 is an apocalyptic number.

425434147 is a deficient number, since it is larger than the sum of its proper divisors (15176881).

425434147 is an equidigital number, since it uses as much as digits as its factorization.

425434147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505925 (or 505896 counting only the distinct ones).

The product of its digits is 53760, while the sum is 34.

The square root of 425434147 is about 20626.0550518028. The cubic root of 425434147 is about 752.1032205858.

The spelling of 425434147 in words is "four hundred twenty-five million, four hundred thirty-four thousand, one hundred forty-seven".