399080053 has 2 divisors, whose sum is σ = 399080054. Its totient is φ = 399080052.

The previous prime is 399080051. The next prime is 399080057. The reversal of 399080053 is 350080993.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 383885649 + 15194404 = 19593^2 + 3898^2 .

It is an emirp because it is prime and its reverse (350080993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 399080053 - 2¹ = 399080051 is a prime.

Together with 399080051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 399079994 and 399080021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (399080051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199540026 + 199540027.

It is an arithmetic number, because the mean of its divisors is an integer number (199540027).

Almost surely, 2^399080053 is an apocalyptic number.

It is an amenable number.

399080053 is a deficient number, since it is larger than the sum of its proper divisors (1).

399080053 is an equidigital number, since it uses as much as digits as its factorization.

399080053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 399080053 is about 19976.9880862957. The cubic root of 399080053 is about 736.2410138580.

The spelling of 399080053 in words is "three hundred ninety-nine million, eighty thousand, fifty-three".