373552813 has 2 divisors, whose sum is σ = 373552814. Its totient is φ = 373552812.

The previous prime is 373552811. The next prime is 373552819. The reversal of 373552813 is 318255373.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 348120964 + 25431849 = 18658^2 + 5043^2 .

It is a cyclic number.

It is not a de Polignac number, because 373552813 - 2¹ = 373552811 is a prime.

Together with 373552811, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (373552811) 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 as a sum of consecutive naturals, namely, 186776406 + 186776407.

It is an arithmetic number, because the mean of its divisors is an integer number (186776407).

Almost surely, 2^373552813 is an apocalyptic number.

It is an amenable number.

373552813 is a deficient number, since it is larger than the sum of its proper divisors (1).

373552813 is an equidigital number, since it uses as much as digits as its factorization.

373552813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 373552813 is about 19327.5144030473. The cubic root of 373552813 is about 720.1959426842.

The spelling of 373552813 in words is "three hundred seventy-three million, five hundred fifty-two thousand, eight hundred thirteen".