51705141 has 8 divisors (see below), whose sum is σ = 70621824. Its totient is φ = 33629280.

The previous prime is 51705139. The next prime is 51705151. The reversal of 51705141 is 14150715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51705141 - 2¹ = 51705139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51705151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210061 + ... + 210306.

It is an arithmetic number, because the mean of its divisors is an integer number (8827728).

Almost surely, 2^51705141 is an apocalyptic number.

It is an amenable number.

51705141 is a deficient number, since it is larger than the sum of its proper divisors (18916683).

51705141 is a wasteful number, since it uses less digits than its factorization.

51705141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420411.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 51705141 is about 7190.6286929586. The cubic root of 51705141 is about 372.5442879342.

Adding to 51705141 its reverse (14150715), we get a palindrome (65855856).

The spelling of 51705141 in words is "fifty-one million, seven hundred five thousand, one hundred forty-one".