51460001 has 2 divisors, whose sum is σ = 51460002. Its totient is φ = 51460000.

The previous prime is 51459997. The next prime is 51460021. The reversal of 51460001 is 10006415.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33651601 + 17808400 = 5801^2 + 4220^2 .

It is a cyclic number.

It is not a de Polignac number, because 51460001 - 2² = 51459997 is a prime.

It is not a weakly prime, because it can be changed into another prime (51460021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25730000 + 25730001.

It is an arithmetic number, because the mean of its divisors is an integer number (25730001).

Almost surely, 2^51460001 is an apocalyptic number.

It is an amenable number.

51460001 is a deficient number, since it is larger than the sum of its proper divisors (1).

51460001 is an equidigital number, since it uses as much as digits as its factorization.

51460001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 51460001 is about 7173.5626434848. The cubic root of 51460001 is about 371.9545966285.

Adding to 51460001 its reverse (10006415), we get a palindrome (61466416).

The spelling of 51460001 in words is "fifty-one million, four hundred sixty thousand, one".