51201411 has 4 divisors (see below), whose sum is σ = 68268552. Its totient is φ = 34134272.

The previous prime is 51201407. The next prime is 51201419. The reversal of 51201411 is 11410215.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51201411 - 2² = 51201407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51201419) 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, 8533566 + ... + 8533571.

It is an arithmetic number, because the mean of its divisors is an integer number (17067138).

Almost surely, 2^51201411 is an apocalyptic number.

51201411 is a deficient number, since it is larger than the sum of its proper divisors (17067141).

51201411 is a wasteful number, since it uses less digits than its factorization.

51201411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17067140.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 51201411 is about 7155.5161239424. The cubic root of 51201411 is about 371.3305177420.

Adding to 51201411 its reverse (11410215), we get a palindrome (62611626).

The spelling of 51201411 in words is "fifty-one million, two hundred one thousand, four hundred eleven".