491525002 has 16 divisors (see below), whose sum is σ = 780452640. Its totient is φ = 231768432.

The previous prime is 491524991. The next prime is 491525011. The reversal of 491525002 is 200525194.

It is a super-2 number, since 2×491525002² = 483193655182200008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96048 + ... + 101035.

It is an arithmetic number, because the mean of its divisors is an integer number (48778290).

Almost surely, 2^491525002 is an apocalyptic number.

491525002 is a deficient number, since it is larger than the sum of its proper divisors (288927638).

491525002 is a wasteful number, since it uses less digits than its factorization.

491525002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197157.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 491525002 is about 22170.3631454246. The cubic root of 491525002 is about 789.1905408584.

The spelling of 491525002 in words is "four hundred ninety-one million, five hundred twenty-five thousand, two".