51397114 has 4 divisors (see below), whose sum is σ = 77095674. Its totient is φ = 25698556.

The previous prime is 51397081. The next prime is 51397117. The reversal of 51397114 is 41179315.

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

It can be written as a sum of positive squares in only one way, i.e., 48066489 + 3330625 = 6933^2 + 1825^2 .

It is not an unprimeable number, because it can be changed into a prime (51397117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12849277 + ... + 12849280.

Almost surely, 2^51397114 is an apocalyptic number.

51397114 is a deficient number, since it is larger than the sum of its proper divisors (25698560).

51397114 is a wasteful number, since it uses less digits than its factorization.

51397114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25698559.

The product of its digits is 3780, while the sum is 31.

The square root of 51397114 is about 7169.1780560954. The cubic root of 51397114 is about 371.8030184243.

The spelling of 51397114 in words is "fifty-one million, three hundred ninety-seven thousand, one hundred fourteen".