51100601 has 2 divisors, whose sum is σ = 51100602. Its totient is φ = 51100600.

The previous prime is 51100583. The next prime is 51100603. The reversal of 51100601 is 10600115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29986576 + 21114025 = 5476^2 + 4595^2 .

It is a cyclic number.

It is not a de Polignac number, because 51100601 - 2¹⁸ = 50838457 is a prime.

It is a super-2 number, since 2×51100601² = 5222542845122402, which contains 22 as substring.

Together with 51100603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (51100603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25550300 + 25550301.

It is an arithmetic number, because the mean of its divisors is an integer number (25550301).

Almost surely, 2^51100601 is an apocalyptic number.

It is an amenable number.

51100601 is a deficient number, since it is larger than the sum of its proper divisors (1).

51100601 is an equidigital number, since it uses as much as digits as its factorization.

51100601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 51100601 is about 7148.4684373647. The cubic root of 51100601 is about 371.0866545139.

Adding to 51100601 its reverse (10600115), we get a palindrome (61700716).

The spelling of 51100601 in words is "fifty-one million, one hundred thousand, six hundred one".