51414269 has 4 divisors (see below), whose sum is σ = 53649696. Its totient is φ = 49178844.

The previous prime is 51414241. The next prime is 51414281. The reversal of 51414269 is 96241415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51414269 - 2¹² = 51410173 is a prime.

It is a super-2 number, since 2×51414269² = 5286854113608722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51414229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1117679 + ... + 1117724.

It is an arithmetic number, because the mean of its divisors is an integer number (13412424).

Almost surely, 2^51414269 is an apocalyptic number.

It is an amenable number.

51414269 is a deficient number, since it is larger than the sum of its proper divisors (2235427).

51414269 is a wasteful number, since it uses less digits than its factorization.

51414269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235426.

The product of its digits is 8640, while the sum is 32.

The square root of 51414269 is about 7170.3743974774. The cubic root of 51414269 is about 371.8443798341.

The spelling of 51414269 in words is "fifty-one million, four hundred fourteen thousand, two hundred sixty-nine".