713211145 has 8 divisors (see below), whose sum is σ = 856085256. Its totient is φ = 570414336.

The previous prime is 713211143. The next prime is 713211157. The reversal of 713211145 is 541112317.

It can be written as a sum of positive squares in 4 ways, for example, as 272547081 + 440664064 = 16509^2 + 20992^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 713211145 - 2¹ = 713211143 is a prime.

It is a super-2 number, since 2×713211145² = 1017340274704422050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (713211143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409 + ... + 37921.

It is an arithmetic number, because the mean of its divisors is an integer number (107010657).

Almost surely, 2^713211145 is an apocalyptic number.

It is an amenable number.

713211145 is a deficient number, since it is larger than the sum of its proper divisors (142874111).

713211145 is a wasteful number, since it uses less digits than its factorization.

713211145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38651.

The product of its digits is 840, while the sum is 25.

The square root of 713211145 is about 26706.0132741673. The cubic root of 713211145 is about 893.4550481884.

The spelling of 713211145 in words is "seven hundred thirteen million, two hundred eleven thousand, one hundred forty-five".