967720249 has 2 divisors, whose sum is σ = 967720250. Its totient is φ = 967720248.

The previous prime is 967720207. The next prime is 967720261. The reversal of 967720249 is 942027769.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942919849 + 24800400 = 30707^2 + 4980^2 .

It is a cyclic number.

It is not a de Polignac number, because 967720249 - 2¹⁷ = 967589177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 967720199 and 967720208.

It is not a weakly prime, because it can be changed into another prime (967720349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483860124 + 483860125.

It is an arithmetic number, because the mean of its divisors is an integer number (483860125).

Almost surely, 2^967720249 is an apocalyptic number.

It is an amenable number.

967720249 is a deficient number, since it is larger than the sum of its proper divisors (1).

967720249 is an equidigital number, since it uses as much as digits as its factorization.

967720249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 967720249 is about 31108.2022784988. The cubic root of 967720249 is about 989.1221851908.

The spelling of 967720249 in words is "nine hundred sixty-seven million, seven hundred twenty thousand, two hundred forty-nine".