425411645 has 4 divisors (see below), whose sum is σ = 510493980. Its totient is φ = 340329312.

The previous prime is 425411593. The next prime is 425411647. The reversal of 425411645 is 546114524.

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 127193284 + 298218361 = 11278^2 + 17269^2 .

It is a cyclic number.

It is not a de Polignac number, because 425411645 - 2¹⁰ = 425410621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425411647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42541160 + ... + 42541169.

It is an arithmetic number, because the mean of its divisors is an integer number (127623495).

Almost surely, 2^425411645 is an apocalyptic number.

It is an amenable number.

425411645 is a deficient number, since it is larger than the sum of its proper divisors (85082335).

425411645 is an equidigital number, since it uses as much as digits as its factorization.

425411645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85082334.

The product of its digits is 19200, while the sum is 32.

The square root of 425411645 is about 20625.5095694628. The cubic root of 425411645 is about 752.0899603078.

The spelling of 425411645 in words is "four hundred twenty-five million, four hundred eleven thousand, six hundred forty-five".