425314321 has 4 divisors (see below), whose sum is σ = 443806272. Its totient is φ = 406822372.

The previous prime is 425314283. The next prime is 425314339. The reversal of 425314321 is 123413524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425314321 - 2¹³ = 425306129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425315321) 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, 9245941 + ... + 9245986.

It is an arithmetic number, because the mean of its divisors is an integer number (110951568).

Almost surely, 2^425314321 is an apocalyptic number.

It is an amenable number.

425314321 is a deficient number, since it is larger than the sum of its proper divisors (18491951).

425314321 is a wasteful number, since it uses less digits than its factorization.

425314321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18491950.

The product of its digits is 2880, while the sum is 25.

The square root of 425314321 is about 20623.1501231020. The cubic root of 425314321 is about 752.0326025410.

Adding to 425314321 its reverse (123413524), we get a palindrome (548727845).

The spelling of 425314321 in words is "four hundred twenty-five million, three hundred fourteen thousand, three hundred twenty-one".