51412001 has 4 divisors (see below), whose sum is σ = 51440532. Its totient is φ = 51383472.

The previous prime is 51411989. The next prime is 51412019. The reversal of 51412001 is 10021415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41267776 + 10144225 = 6424^2 + 3185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51412001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51412021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11366 + ... + 15231.

It is an arithmetic number, because the mean of its divisors is an integer number (12860133).

Almost surely, 2^51412001 is an apocalyptic number.

It is an amenable number.

51412001 is a deficient number, since it is larger than the sum of its proper divisors (28531).

51412001 is a wasteful number, since it uses less digits than its factorization.

51412001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28530.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 51412001 is about 7170.2162449957. The cubic root of 51412001 is about 371.8389121208.

Adding to 51412001 its reverse (10021415), we get a palindrome (61433416).

The spelling of 51412001 in words is "fifty-one million, four hundred twelve thousand, one".