824988061 has 2 divisors, whose sum is σ = 824988062. Its totient is φ = 824988060.

The previous prime is 824988029. The next prime is 824988071. The reversal of 824988061 is 160889428.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817616836 + 7371225 = 28594^2 + 2715^2 .

It is a cyclic number.

It is not a de Polignac number, because 824988061 - 2⁵ = 824988029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (824988071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412494030 + 412494031.

It is an arithmetic number, because the mean of its divisors is an integer number (412494031).

Almost surely, 2^824988061 is an apocalyptic number.

It is an amenable number.

824988061 is a deficient number, since it is larger than the sum of its proper divisors (1).

824988061 is an equidigital number, since it uses as much as digits as its factorization.

824988061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 824988061 is about 28722.6054006248. The cubic root of 824988061 is about 937.8842034380.

The spelling of 824988061 in words is "eight hundred twenty-four million, nine hundred eighty-eight thousand, sixty-one".