69255961 has 2 divisors, whose sum is σ = 69255962. Its totient is φ = 69255960.

The previous prime is 69255959. The next prime is 69255983. The reversal of 69255961 is 16955296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66259600 + 2996361 = 8140^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 69255961 - 2¹ = 69255959 is a prime.

Together with 69255959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (69255061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34627980 + 34627981.

It is an arithmetic number, because the mean of its divisors is an integer number (34627981).

Almost surely, 2^69255961 is an apocalyptic number.

It is an amenable number.

69255961 is a deficient number, since it is larger than the sum of its proper divisors (1).

69255961 is an equidigital number, since it uses as much as digits as its factorization.

69255961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 43.

The square root of 69255961 is about 8322.0166426173. The cubic root of 69255961 is about 410.6631366560.

The spelling of 69255961 in words is "sixty-nine million, two hundred fifty-five thousand, nine hundred sixty-one".