469538257 has 2 divisors, whose sum is σ = 469538258. Its totient is φ = 469538256.

The previous prime is 469538243. The next prime is 469538287. The reversal of 469538257 is 752835964.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452157696 + 17380561 = 21264^2 + 4169^2 .

It is a cyclic number.

It is not a de Polignac number, because 469538257 - 2⁷ = 469538129 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 469538257.

It is not a weakly prime, because it can be changed into another prime (469538207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234769128 + 234769129.

It is an arithmetic number, because the mean of its divisors is an integer number (234769129).

Almost surely, 2^469538257 is an apocalyptic number.

It is an amenable number.

469538257 is a deficient number, since it is larger than the sum of its proper divisors (1).

469538257 is an equidigital number, since it uses as much as digits as its factorization.

469538257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The square root of 469538257 is about 21668.8314636484. The cubic root of 469538257 is about 777.2433133559.

The spelling of 469538257 in words is "four hundred sixty-nine million, five hundred thirty-eight thousand, two hundred fifty-seven".