51070319 has 2 divisors, whose sum is σ = 51070320. Its totient is φ = 51070318.

The previous prime is 51070303. The next prime is 51070333. The reversal of 51070319 is 91307015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51070319 - 2⁴ = 51070303 is a prime.

It is a super-2 number, since 2×51070319² = 5216354965523522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51070339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25535159 + 25535160.

It is an arithmetic number, because the mean of its divisors is an integer number (25535160).

Almost surely, 2^51070319 is an apocalyptic number.

51070319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51070319 is an equidigital number, since it uses as much as digits as its factorization.

51070319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 51070319 is about 7146.3500474018. The cubic root of 51070319 is about 371.0133385691.

The spelling of 51070319 in words is "fifty-one million, seventy thousand, three hundred nineteen".