321061401 has 10 divisors (see below), whose sum is σ = 479610362. Its totient is φ = 214040880.

The previous prime is 321061399. The next prime is 321061409. The reversal of 321061401 is 104160123.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 216531225 + 104530176 = 14715^2 + 10224^2 .

It is not a de Polignac number, because 321061401 - 2¹ = 321061399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321061409) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1981780 + ... + 1981941.

Almost surely, 2^321061401 is an apocalyptic number.

It is an amenable number.

321061401 is a deficient number, since it is larger than the sum of its proper divisors (158548961).

321061401 is an equidigital number, since it uses as much as digits as its factorization.

321061401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963733 (or 3963724 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 321061401 is about 17918.1863200492. The cubic root of 321061401 is about 684.7457816670.

The spelling of 321061401 in words is "three hundred twenty-one million, sixty-one thousand, four hundred one".