492189525 has 36 divisors (see below), whose sum is σ = 933430212. Its totient is φ = 247057920.

The previous prime is 492189497. The next prime is 492189553. The reversal of 492189525 is 525981294.

It is a happy number.

492189525 is a `hidden beast` number, since 49 + 2 + 1 + 89 + 525 = 666.

It is an interprime number because it is at equal distance from previous prime (492189497) and next prime (492189553).

It can be written as a sum of positive squares in 6 ways, for example, as 17690436 + 474499089 = 4206^2 + 21783^2 .

It is not a de Polignac number, because 492189525 - 2⁵ = 492189493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 60514 + ... + 68163.

It is an arithmetic number, because the mean of its divisors is an integer number (25928617).

Almost surely, 2^492189525 is an apocalyptic number.

492189525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

492189525 is a deficient number, since it is larger than the sum of its proper divisors (441240687).

492189525 is a wasteful number, since it uses less digits than its factorization.

492189525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128710 (or 128702 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 492189525 is about 22185.3448249064. The cubic root of 492189525 is about 789.5460325101.

The spelling of 492189525 in words is "four hundred ninety-two million, one hundred eighty-nine thousand, five hundred twenty-five".