425105321 has 4 divisors (see below), whose sum is σ = 436594692. Its totient is φ = 413615952.

The previous prime is 425105311. The next prime is 425105377. The reversal of 425105321 is 123501524.

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 183738025 + 241367296 = 13555^2 + 15536^2 .

It is a cyclic number.

It is not a de Polignac number, because 425105321 - 2⁶ = 425105257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425105311) 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, 5744630 + ... + 5744703.

It is an arithmetic number, because the mean of its divisors is an integer number (109148673).

Almost surely, 2^425105321 is an apocalyptic number.

It is an amenable number.

425105321 is a deficient number, since it is larger than the sum of its proper divisors (11489371).

425105321 is a wasteful number, since it uses less digits than its factorization.

425105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11489370.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 425105321 is about 20618.0823793097. The cubic root of 425105321 is about 751.9093990979.

Adding to 425105321 its reverse (123501524), we get a palindrome (548606845).

The spelling of 425105321 in words is "four hundred twenty-five million, one hundred five thousand, three hundred twenty-one".