51119701 has 2 divisors, whose sum is σ = 51119702. Its totient is φ = 51119700.

The previous prime is 51119699. The next prime is 51119707. The reversal of 51119701 is 10791115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45239076 + 5880625 = 6726^2 + 2425^2 .

It is a cyclic number.

It is not a de Polignac number, because 51119701 - 2¹ = 51119699 is a prime.

It is a super-2 number, since 2×51119701² = 5226447660658802, which contains 22 as substring.

Together with 51119699, 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 (51119707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25559850 + 25559851.

It is an arithmetic number, because the mean of its divisors is an integer number (25559851).

Almost surely, 2^51119701 is an apocalyptic number.

It is an amenable number.

51119701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51119701 is an equidigital number, since it uses as much as digits as its factorization.

51119701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 25.

The square root of 51119701 is about 7149.8042630550. The cubic root of 51119701 is about 371.1328827517.

The spelling of 51119701 in words is "fifty-one million, one hundred nineteen thousand, seven hundred one".