51262671 has 4 divisors (see below), whose sum is σ = 68350232. Its totient is φ = 34175112.

The previous prime is 51262663. The next prime is 51262697. The reversal of 51262671 is 17626215.

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

It is not a de Polignac number, because 51262671 - 2³ = 51262663 is a prime.

It is a super-2 number, since 2×51262671² = 5255722876108482, 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 (51266671) 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, 8543776 + ... + 8543781.

It is an arithmetic number, because the mean of its divisors is an integer number (17087558).

Almost surely, 2^51262671 is an apocalyptic number.

51262671 is a deficient number, since it is larger than the sum of its proper divisors (17087561).

51262671 is a wasteful number, since it uses less digits than its factorization.

51262671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17087560.

The product of its digits is 5040, while the sum is 30.

The square root of 51262671 is about 7159.7954579722. The cubic root of 51262671 is about 371.4785516921.

Adding to 51262671 its reverse (17626215), we get a palindrome (68888886).

The spelling of 51262671 in words is "fifty-one million, two hundred sixty-two thousand, six hundred seventy-one".