51025243001 has 8 divisors (see below), whose sum is σ = 51559056360. Its totient is φ = 50491588608.

The previous prime is 51025242971. The next prime is 51025243057. The reversal of 51025243001 is 10034252015.

It can be written as a sum of positive squares in 4 ways, for example, as 8722626025 + 42302616976 = 93395^2 + 205676^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51025243001 - 2⁶ = 51025242937 is a prime.

It is a super-2 number, since 2×51025243001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51025243301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671765 + ... + 743853.

It is an arithmetic number, because the mean of its divisors is an integer number (6444882045).

Almost surely, 2^51025243001 is an apocalyptic number.

It is an amenable number.

51025243001 is a deficient number, since it is larger than the sum of its proper divisors (533813359).

51025243001 is an equidigital number, since it uses as much as digits as its factorization.

51025243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79483.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 51025243001 its reverse (10034252015), we get a palindrome (61059495016).

The spelling of 51025243001 in words is "fifty-one billion, twenty-five million, two hundred forty-three thousand, one".