100252566 has 24 divisors (see below), whose sum is σ = 225259944. Its totient is φ = 33417360.

The previous prime is 100252541. The next prime is 100252567. The reversal of 100252566 is 665252001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100252567) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102655 + ... + 103626.

It is an arithmetic number, because the mean of its divisors is an integer number (9385831).

Almost surely, 2^100252566 is an apocalyptic number.

100252566 is an abundant number, since it is smaller than the sum of its proper divisors (125007378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100252566 is an equidigital number, since it uses as much as digits as its factorization.

100252566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206298 (or 206286 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 100252566 is about 10012.6203363555. The cubic root of 100252566 is about 464.5493240139.

The spelling of 100252566 in words is "one hundred million, two hundred fifty-two thousand, five hundred sixty-six".