7826261 has 2 divisors, whose sum is σ = 7826262. Its totient is φ = 7826260.

The previous prime is 7826227. The next prime is 7826281. The reversal of 7826261 is 1626287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6838225 + 988036 = 2615^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 7826261 - 2⁶ = 7826197 is a prime.

It is a super-2 number, since 2×7826261² = 122500722480242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7826281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3913130 + 3913131.

It is an arithmetic number, because the mean of its divisors is an integer number (3913131).

Almost surely, 2^7826261 is an apocalyptic number.

It is an amenable number.

7826261 is a deficient number, since it is larger than the sum of its proper divisors (1).

7826261 is an equidigital number, since it uses as much as digits as its factorization.

7826261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 7826261 is about 2797.5455313542. The cubic root of 7826261 is about 198.5415656981.

The spelling of 7826261 in words is "seven million, eight hundred twenty-six thousand, two hundred sixty-one".