51301253001 has 4 divisors (see below), whose sum is σ = 68401670672. Its totient is φ = 34200835332.

The previous prime is 51301252991. The next prime is 51301253021. The reversal of 51301253001 is 10035210315.

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 not a de Polignac number, because 51301253001 - 2⁵ = 51301252969 is a prime.

It is a super-2 number, since 2×51301253001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51301253021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8550208831 + ... + 8550208836.

It is an arithmetic number, because the mean of its divisors is an integer number (17100417668).

Almost surely, 2^51301253001 is an apocalyptic number.

It is an amenable number.

51301253001 is a deficient number, since it is larger than the sum of its proper divisors (17100417671).

51301253001 is a wasteful number, since it uses less digits than its factorization.

51301253001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17100417670.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 51301253001 its reverse (10035210315), we get a palindrome (61336463316).

The spelling of 51301253001 in words is "fifty-one billion, three hundred one million, two hundred fifty-three thousand, one".