321265427 has 8 divisors (see below), whose sum is σ = 375699456. Its totient is φ = 268966152.

The previous prime is 321265421. The next prime is 321265453. The reversal of 321265427 is 724562123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 321265427 - 2⁶ = 321265363 is a prime.

It is a super-4 number, since 4×321265427⁴ (a number of 35 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321265393 and 321265402.

It is not an unprimeable number, because it can be changed into a prime (321265421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533363 + ... + 533964.

It is an arithmetic number, because the mean of its divisors is an integer number (46962432).

Almost surely, 2^321265427 is an apocalyptic number.

321265427 is a deficient number, since it is larger than the sum of its proper divisors (54434029).

321265427 is a wasteful number, since it uses less digits than its factorization.

321265427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067377.

The product of its digits is 20160, while the sum is 32.

The square root of 321265427 is about 17923.8786818032. The cubic root of 321265427 is about 684.8907968777.

The spelling of 321265427 in words is "three hundred twenty-one million, two hundred sixty-five thousand, four hundred twenty-seven".