51070379 has 4 divisors (see below), whose sum is σ = 52316040. Its totient is φ = 49824720.

The previous prime is 51070343. The next prime is 51070381. The reversal of 51070379 is 97307015.

51070379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51070379 is a prime.

It is a super-2 number, since 2×51070379² = 5216367222407282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51070319) 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 3 ways as a sum of consecutive naturals, for example, 622769 + ... + 622850.

It is an arithmetic number, because the mean of its divisors is an integer number (13079010).

Almost surely, 2^51070379 is an apocalyptic number.

51070379 is a deficient number, since it is larger than the sum of its proper divisors (1245661).

51070379 is a wasteful number, since it uses less digits than its factorization.

51070379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245660.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 51070379 is about 7146.3542453478. The cubic root of 51070379 is about 371.0134838642.

The spelling of 51070379 in words is "fifty-one million, seventy thousand, three hundred seventy-nine".