69050257 has 2 divisors, whose sum is σ = 69050258. Its totient is φ = 69050256.

The previous prime is 69050239. The next prime is 69050263. The reversal of 69050257 is 75205096.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66438801 + 2611456 = 8151^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 69050257 - 2¹⁵ = 69017489 is a prime.

It is not a weakly prime, because it can be changed into another prime (69050227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34525128 + 34525129.

It is an arithmetic number, because the mean of its divisors is an integer number (34525129).

Almost surely, 2^69050257 is an apocalyptic number.

It is an amenable number.

69050257 is a deficient number, since it is larger than the sum of its proper divisors (1).

69050257 is an equidigital number, since it uses as much as digits as its factorization.

69050257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 69050257 is about 8309.6484281827. The cubic root of 69050257 is about 410.2561496721.

The spelling of 69050257 in words is "sixty-nine million, fifty thousand, two hundred fifty-seven".