51701627 has 2 divisors, whose sum is σ = 51701628. Its totient is φ = 51701626.

The previous prime is 51701623. The next prime is 51701647. The reversal of 51701627 is 72610715.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51701627 - 2² = 51701623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51701627.

It is not a weakly prime, because it can be changed into another prime (51701621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25850813 + 25850814.

It is an arithmetic number, because the mean of its divisors is an integer number (25850814).

Almost surely, 2^51701627 is an apocalyptic number.

51701627 is a deficient number, since it is larger than the sum of its proper divisors (1).

51701627 is an equidigital number, since it uses as much as digits as its factorization.

51701627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 51701627 is about 7190.3843429959. The cubic root of 51701627 is about 372.5358480882.

The spelling of 51701627 in words is "fifty-one million, seven hundred one thousand, six hundred twenty-seven".