321270053 has 4 divisors (see below), whose sum is σ = 345983148. Its totient is φ = 296556960.

The previous prime is 321270023. The next prime is 321270109. The reversal of 321270053 is 350072123.

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 14915044 + 306355009 = 3862^2 + 17503^2 .

It is a cyclic number.

It is not a de Polignac number, because 321270053 - 2⁶ = 321269989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321270023) 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, 12356528 + ... + 12356553.

It is an arithmetic number, because the mean of its divisors is an integer number (86495787).

Almost surely, 2^321270053 is an apocalyptic number.

It is an amenable number.

321270053 is a deficient number, since it is larger than the sum of its proper divisors (24713095).

321270053 is a wasteful number, since it uses less digits than its factorization.

321270053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24713094.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 321270053 is about 17924.0077270682. The cubic root of 321270053 is about 684.8940841798.

The spelling of 321270053 in words is "three hundred twenty-one million, two hundred seventy thousand, fifty-three".