100265285 has 8 divisors (see below), whose sum is σ = 121422840. Its totient is φ = 79475904.

The previous prime is 100265183. The next prime is 100265309. The reversal of 100265285 is 582562001.

It can be written as a sum of positive squares in 4 ways, for example, as 7219969 + 93045316 = 2687^2 + 9646^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100265285 - 2¹⁴ = 100248901 is a prime.

It is a super-2 number, since 2×100265285² = 20106254752262450, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 91442 + ... + 92531.

It is an arithmetic number, because the mean of its divisors is an integer number (15177855).

Almost surely, 2^100265285 is an apocalyptic number.

It is an amenable number.

100265285 is a deficient number, since it is larger than the sum of its proper divisors (21157555).

100265285 is a wasteful number, since it uses less digits than its factorization.

100265285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184087.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 100265285 is about 10013.2554646329. The cubic root of 100265285 is about 464.5689689075.

The spelling of 100265285 in words is "one hundred million, two hundred sixty-five thousand, two hundred eighty-five".