469903257 has 6 divisors (see below), whose sum is σ = 678749162. Its totient is φ = 313268832.

The previous prime is 469903253. The next prime is 469903267. The reversal of 469903257 is 752309964.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 120362841 = 18696^2 + 10971^2 .

It is not a de Polignac number, because 469903257 - 2² = 469903253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (469903253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26105728 + ... + 26105745.

Almost surely, 2^469903257 is an apocalyptic number.

It is an amenable number.

469903257 is a deficient number, since it is larger than the sum of its proper divisors (208845905).

469903257 is a wasteful number, since it uses less digits than its factorization.

469903257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52211479 (or 52211476 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 469903257 is about 21677.2520629345. The cubic root of 469903257 is about 777.4446603361. Note that the first 3 decimals are identical.

The spelling of 469903257 in words is "four hundred sixty-nine million, nine hundred three thousand, two hundred fifty-seven".