8261401 has 4 divisors (see below), whose sum is σ = 8275492. Its totient is φ = 8247312.

The previous prime is 8261399. The next prime is 8261411. The reversal of 8261401 is 1041628.

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 2016400 + 6245001 = 1420^2 + 2499^2 .

It is a cyclic number.

It is not a de Polignac number, because 8261401 - 2¹ = 8261399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8261411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6126 + ... + 7351.

It is an arithmetic number, because the mean of its divisors is an integer number (2068873).

Almost surely, 2^8261401 is an apocalyptic number.

It is an amenable number.

8261401 is a deficient number, since it is larger than the sum of its proper divisors (14091).

8261401 is a wasteful number, since it uses less digits than its factorization.

8261401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14090.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 8261401 is about 2874.2652974282. The cubic root of 8261401 is about 202.1550373338.

The spelling of 8261401 in words is "eight million, two hundred sixty-one thousand, four hundred one".