51280701 has 8 divisors (see below), whose sum is σ = 68572704. Its totient is φ = 34087920.

The previous prime is 51280693. The next prime is 51280711. The reversal of 51280701 is 10708215.

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

It is not a de Polignac number, because 51280701 - 2³ = 51280693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51280711) 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, 23590 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (8571588).

Almost surely, 2^51280701 is an apocalyptic number.

It is an amenable number.

51280701 is a deficient number, since it is larger than the sum of its proper divisors (17292003).

51280701 is a wasteful number, since it uses less digits than its factorization.

51280701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49611.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 51280701 is about 7161.0544614603. The cubic root of 51280701 is about 371.5220984749.

Adding to 51280701 its reverse (10708215), we get a palindrome (61988916).

The spelling of 51280701 in words is "fifty-one million, two hundred eighty thousand, seven hundred one".