51002601 has 32 divisors (see below), whose sum is σ = 79390080. Its totient is φ = 28836864.

The previous prime is 51002599. The next prime is 51002603. The reversal of 51002601 is 10620015.

51002601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51002599) and next prime (51002603).

It is not a de Polignac number, because 51002601 - 2¹ = 51002599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51002603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27615 + ... + 29403.

It is an arithmetic number, because the mean of its divisors is an integer number (2480940).

Almost surely, 2^51002601 is an apocalyptic number.

51002601 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51002601 is a deficient number, since it is larger than the sum of its proper divisors (28387479).

51002601 is a wasteful number, since it uses less digits than its factorization.

51002601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 51002601 is about 7141.6105326460. The cubic root of 51002601 is about 370.8492811501.

Adding to 51002601 its reverse (10620015), we get a palindrome (61622616).

The spelling of 51002601 in words is "fifty-one million, two thousand, six hundred one".