7828141 has 2 divisors, whose sum is σ = 7828142. Its totient is φ = 7828140.

The previous prime is 7828129. The next prime is 7828147. The reversal of 7828141 is 1418287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6734025 + 1094116 = 2595^2 + 1046^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7828141 is a prime.

It is a super-2 number, since 2×7828141² = 122559583031762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7828147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914070 + 3914071.

It is an arithmetic number, because the mean of its divisors is an integer number (3914071).

Almost surely, 2^7828141 is an apocalyptic number.

It is an amenable number.

7828141 is a deficient number, since it is larger than the sum of its proper divisors (1).

7828141 is an equidigital number, since it uses as much as digits as its factorization.

7828141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3584, while the sum is 31.

The square root of 7828141 is about 2797.8815200076. The cubic root of 7828141 is about 198.5574621038.

The spelling of 7828141 in words is "seven million, eight hundred twenty-eight thousand, one hundred forty-one".