51314401 has 4 divisors (see below), whose sum is σ = 52017412. Its totient is φ = 50611392.

The previous prime is 51314399. The next prime is 51314407. The reversal of 51314401 is 10441315.

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 22316176 + 28998225 = 4724^2 + 5385^2 .

It is a cyclic number.

It is not a de Polignac number, because 51314401 - 2¹ = 51314399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51314407) 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, 351396 + ... + 351541.

It is an arithmetic number, because the mean of its divisors is an integer number (13004353).

Almost surely, 2^51314401 is an apocalyptic number.

It is an amenable number.

51314401 is a deficient number, since it is larger than the sum of its proper divisors (703011).

51314401 is an equidigital number, since it uses as much as digits as its factorization.

51314401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703010.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51314401 is about 7163.4070804332. The cubic root of 51314401 is about 371.6034647123.

Adding to 51314401 its reverse (10441315), we get a palindrome (61755716).

It can be divided in two parts, 51314 and 401, that added together give a palindrome (51715).

The spelling of 51314401 in words is "fifty-one million, three hundred fourteen thousand, four hundred one".