51343097 has 4 divisors (see below), whose sum is σ = 55292580. Its totient is φ = 47393616.

The previous prime is 51343081. The next prime is 51343109. The reversal of 51343097 is 79034315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79034315 = 5 ⋅15806863.

It can be written as a sum of positive squares in 2 ways, for example, as 27762361 + 23580736 = 5269^2 + 4856^2 .

It is a cyclic number.

It is not a de Polignac number, because 51343097 - 2⁴ = 51343081 is a prime.

It is a super-2 number, since 2×51343097² = 5272227219102818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51343057) 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 in 3 ways as a sum of consecutive naturals, for example, 1974722 + ... + 1974747.

It is an arithmetic number, because the mean of its divisors is an integer number (13823145).

Almost surely, 2^51343097 is an apocalyptic number.

It is an amenable number.

51343097 is a deficient number, since it is larger than the sum of its proper divisors (3949483).

51343097 is a wasteful number, since it uses less digits than its factorization.

51343097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3949482.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 51343097 is about 7165.4097579971. The cubic root of 51343097 is about 371.6727210723.

The spelling of 51343097 in words is "fifty-one million, three hundred forty-three thousand, ninety-seven".