100253265 has 24 divisors (see below), whose sum is σ = 186595200. Its totient is φ = 45829728.

The previous prime is 100253201. The next prime is 100253269. The reversal of 100253265 is 562352001.

It is not a de Polignac number, because 100253265 - 2⁶ = 100253201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100253269) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 67465 + ... + 68934.

It is an arithmetic number, because the mean of its divisors is an integer number (7774800).

Almost surely, 2^100253265 is an apocalyptic number.

100253265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100253265 is a deficient number, since it is larger than the sum of its proper divisors (86341935).

100253265 is a wasteful number, since it uses less digits than its factorization.

100253265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136421 (or 136414 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 100253265 is about 10012.6552422422. The cubic root of 100253265 is about 464.5504036844.

The spelling of 100253265 in words is "one hundred million, two hundred fifty-three thousand, two hundred sixty-five".