492753261 has 72 divisors (see below), whose sum is σ = 905110752. Its totient is φ = 236174400.

The previous prime is 492753251. The next prime is 492753271. The reversal of 492753261 is 162357294.

It is an interprime number because it is at equal distance from previous prime (492753251) and next prime (492753271).

It is not a de Polignac number, because 492753261 - 2¹⁷ = 492622189 is a prime.

It is a super-2 number, since 2×492753261² = 485611552452268242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (492753221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 230166 + ... + 232296.

Almost surely, 2^492753261 is an apocalyptic number.

It is an amenable number.

492753261 is a deficient number, since it is larger than the sum of its proper divisors (412357491).

492753261 is a wasteful number, since it uses less digits than its factorization.

492753261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2165 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 492753261 is about 22198.0463329546. The cubic root of 492753261 is about 789.8473566109.

The spelling of 492753261 in words is "four hundred ninety-two million, seven hundred fifty-three thousand, two hundred sixty-one".