7312001 has 4 divisors (see below), whose sum is σ = 7547904. Its totient is φ = 7076100.

The previous prime is 7311991. The next prime is 7312007. The reversal of 7312001 is 1002137.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1002137 = 31 ⋅32327.

It is a cyclic number.

It is not a de Polignac number, because 7312001 - 2⁶ = 7311937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7312007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117905 + ... + 117966.

It is an arithmetic number, because the mean of its divisors is an integer number (1886976).

Almost surely, 2^7312001 is an apocalyptic number.

It is an amenable number.

7312001 is a deficient number, since it is larger than the sum of its proper divisors (235903).

7312001 is a wasteful number, since it uses less digits than its factorization.

7312001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235902.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 7312001 is about 2704.0711898913. The cubic root of 7312001 is about 194.0939867686.

Adding to 7312001 its reverse (1002137), we get a palindrome (8314138).

The spelling of 7312001 in words is "seven million, three hundred twelve thousand, one".