100072535 has 4 divisors (see below), whose sum is σ = 120087048. Its totient is φ = 80058024.

The previous prime is 100072507. The next prime is 100072613. The reversal of 100072535 is 535270001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100072535 - 2²⁰ = 99023959 is a prime.

It is a super-2 number, since 2×100072535² = 20029024522652450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100072535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10007249 + ... + 10007258.

It is an arithmetic number, because the mean of its divisors is an integer number (30021762).

Almost surely, 2^100072535 is an apocalyptic number.

100072535 is a deficient number, since it is larger than the sum of its proper divisors (20014513).

100072535 is an equidigital number, since it uses as much as digits as its factorization.

100072535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014512.

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 100072535 is about 10003.6260925726. The cubic root of 100072535 is about 464.2710821199.

The spelling of 100072535 in words is "one hundred million, seventy-two thousand, five hundred thirty-five".