51343101 has 6 divisors (see below), whose sum is σ = 74162270. Its totient is φ = 34228728.

The previous prime is 51343081. The next prime is 51343109. The reversal of 51343101 is 10134315.

Added to its reverse (10134315) it gives a triangular number (61477416 = T₁₁₀₈₈).

It can be written as a sum of positive squares in only one way, i.e., 46172025 + 5171076 = 6795^2 + 2274^2 .

It is not a de Polignac number, because 51343101 - 2⁵ = 51343069 is a prime.

It is a super-2 number, since 2×51343101² = 5272228040592402, 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 (51343109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2852386 + ... + 2852403.

Almost surely, 2^51343101 is an apocalyptic number.

It is an amenable number.

51343101 is a deficient number, since it is larger than the sum of its proper divisors (22819169).

51343101 is a wasteful number, since it uses less digits than its factorization.

51343101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704795 (or 5704792 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51343101 is about 7165.4100371158. The cubic root of 51343101 is about 371.6727307243.

Adding to 51343101 its reverse (10134315), we get a palindrome (61477416).

The spelling of 51343101 in words is "fifty-one million, three hundred forty-three thousand, one hundred one".