7798537 has 2 divisors, whose sum is σ = 7798538. Its totient is φ = 7798536.

The previous prime is 7798501. The next prime is 7798547. The reversal of 7798537 is 7358977.

It is a happy number.

7798537 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6677056 + 1121481 = 2584^2 + 1059^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7798537 is a prime.

It is not a weakly prime, because it can be changed into another prime (7798547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3899268 + 3899269.

It is an arithmetic number, because the mean of its divisors is an integer number (3899269).

Almost surely, 2^7798537 is an apocalyptic number.

It is an amenable number.

7798537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7798537 is an equidigital number, since it uses as much as digits as its factorization.

7798537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 370440, while the sum is 46.

The square root of 7798537 is about 2792.5860774558. The cubic root of 7798537 is about 198.3068483022.

It can be divided in two parts, 779 and 8537, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 7798537 in words is "seven million, seven hundred ninety-eight thousand, five hundred thirty-seven".