7829524561 has 2 divisors, whose sum is σ = 7829524562. Its totient is φ = 7829524560.

The previous prime is 7829524513. The next prime is 7829524567. The reversal of 7829524561 is 1654259287.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6547884561 + 1281640000 = 80919^2 + 35800^2 .

It is a cyclic number.

It is not a de Polignac number, because 7829524561 - 2⁷ = 7829524433 is a prime.

It is a super-2 number, since 2×7829524561² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7829524567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3914762280 + 3914762281.

It is an arithmetic number, because the mean of its divisors is an integer number (3914762281).

Almost surely, 2^7829524561 is an apocalyptic number.

It is an amenable number.

7829524561 is a deficient number, since it is larger than the sum of its proper divisors (1).

7829524561 is an equidigital number, since it uses as much as digits as its factorization.

7829524561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 49.

The square root of 7829524561 is about 88484.6006997828. The cubic root of 7829524561 is about 1985.6915922647.

The spelling of 7829524561 in words is "seven billion, eight hundred twenty-nine million, five hundred twenty-four thousand, five hundred sixty-one".