100499541 has 4 divisors (see below), whose sum is σ = 133999392. Its totient is φ = 66999692.

The previous prime is 100499527. The next prime is 100499543. The reversal of 100499541 is 145994001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 145994001 = 3 ⋅48664667.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100499541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100499543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16749921 + ... + 16749926.

It is an arithmetic number, because the mean of its divisors is an integer number (33499848).

Almost surely, 2^100499541 is an apocalyptic number.

It is an amenable number.

100499541 is a deficient number, since it is larger than the sum of its proper divisors (33499851).

100499541 is an equidigital number, since it uses as much as digits as its factorization.

100499541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33499850.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 100499541 is about 10024.9459350163. The cubic root of 100499541 is about 464.9304879328.

The spelling of 100499541 in words is "one hundred million, four hundred ninety-nine thousand, five hundred forty-one".