489509253 has 48 divisors (see below), whose sum is σ = 758160000. Its totient is φ = 303667584.

The previous prime is 489509249. The next prime is 489509263. The reversal of 489509253 is 352905984.

It is not a de Polignac number, because 489509253 - 2² = 489509249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 489509199 and 489509208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489509263) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1819603 + ... + 1819871.

It is an arithmetic number, because the mean of its divisors is an integer number (15795000).

Almost surely, 2^489509253 is an apocalyptic number.

It is an amenable number.

489509253 is a deficient number, since it is larger than the sum of its proper divisors (268650747).

489509253 is a wasteful number, since it uses less digits than its factorization.

489509253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 489509253 is about 22124.8559995314. The cubic root of 489509253 is about 788.1102366027.

The spelling of 489509253 in words is "four hundred eighty-nine million, five hundred nine thousand, two hundred fifty-three".