65100401 has 2 divisors, whose sum is σ = 65100402. Its totient is φ = 65100400.

The previous prime is 65100379. The next prime is 65100437. The reversal of 65100401 is 10400156.

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., 64000000 + 1100401 = 8000^2 + 1049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65100401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65100401.

It is not a weakly prime, because it can be changed into another prime (65100461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32550200 + 32550201.

It is an arithmetic number, because the mean of its divisors is an integer number (32550201).

Almost surely, 2^65100401 is an apocalyptic number.

It is an amenable number.

65100401 is a deficient number, since it is larger than the sum of its proper divisors (1).

65100401 is an equidigital number, since it uses as much as digits as its factorization.

65100401 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 65100401 is about 8068.4819513958. The cubic root of 65100401 is about 402.2794872523.

Adding to 65100401 its reverse (10400156), we get a palindrome (75500557).

The spelling of 65100401 in words is "sixty-five million, one hundred thousand, four hundred one".