8151401 has 2 divisors, whose sum is σ = 8151402. Its totient is φ = 8151400.

The previous prime is 8151397. The next prime is 8151427. The reversal of 8151401 is 1041518.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7027801 + 1123600 = 2651^2 + 1060^2 .

It is a cyclic number.

It is not a de Polignac number, because 8151401 - 2² = 8151397 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (8151431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075700 + 4075701.

It is an arithmetic number, because the mean of its divisors is an integer number (4075701).

Almost surely, 2^8151401 is an apocalyptic number.

It is an amenable number.

8151401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8151401 is an equidigital number, since it uses as much as digits as its factorization.

8151401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 8151401 is about 2855.0658486277. The cubic root of 8151401 is about 201.2537985215.

Adding to 8151401 its reverse (1041518), we get a palindrome (9192919).

The spelling of 8151401 in words is "eight million, one hundred fifty-one thousand, four hundred one".