51000601 has 4 divisors (see below), whose sum is σ = 51761872. Its totient is φ = 50239332.

The previous prime is 51000571. The next prime is 51000619. The reversal of 51000601 is 10600015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51000601 - 2¹¹ = 50998553 is a prime.

It is a super-2 number, since 2×51000601² = 5202122604722402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51000641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380535 + ... + 380668.

It is an arithmetic number, because the mean of its divisors is an integer number (12940468).

Almost surely, 2^51000601 is an apocalyptic number.

It is an amenable number.

51000601 is a deficient number, since it is larger than the sum of its proper divisors (761271).

51000601 is an equidigital number, since it uses as much as digits as its factorization.

51000601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761270.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 51000601 is about 7141.4705068354. The cubic root of 51000601 is about 370.8444336309.

Adding to 51000601 its reverse (10600015), we get a palindrome (61600616).

It can be divided in two parts, 5 and 1000601, that multiplied together give a palindrome (5003005).

The spelling of 51000601 in words is "fifty-one million, six hundred one", and thus it is an aban number.