7315279801 has 4 divisors (see below), whose sum is σ = 7315480692. Its totient is φ = 7315078912.

The previous prime is 7315279781. The next prime is 7315279837. The reversal of 7315279801 is 1089725137.

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 4678560000 + 2636719801 = 68400^2 + 51349^2 .

It is a cyclic number.

It is not a de Polignac number, because 7315279801 - 2²⁷ = 7181062073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7315279871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28780 + ... + 124333.

It is an arithmetic number, because the mean of its divisors is an integer number (1828870173).

Almost surely, 2^7315279801 is an apocalyptic number.

It is an amenable number.

7315279801 is a deficient number, since it is larger than the sum of its proper divisors (200891).

7315279801 is a wasteful number, since it uses less digits than its factorization.

7315279801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200890.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 7315279801 is about 85529.4089831094. The cubic root of 7315279801 is about 1941.2299389711.

The spelling of 7315279801 in words is "seven billion, three hundred fifteen million, two hundred seventy-nine thousand, eight hundred one".