100540501 has 4 divisors (see below), whose sum is σ = 100563552. Its totient is φ = 100517452.

The previous prime is 100540483. The next prime is 100540537. The reversal of 100540501 is 105045001.

It is a happy number.

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: 105045001 = 43 ⋅2442907.

It is a cyclic number.

It is not a de Polignac number, because 100540501 - 2⁵ = 100540469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100540591) 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, 2761 + ... + 14446.

It is an arithmetic number, because the mean of its divisors is an integer number (25140888).

Almost surely, 2^100540501 is an apocalyptic number.

It is an amenable number.

100540501 is a deficient number, since it is larger than the sum of its proper divisors (23051).

100540501 is an equidigital number, since it uses as much as digits as its factorization.

100540501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 100540501 is about 10026.9886306907. The cubic root of 100540501 is about 464.9936423380.

Adding to 100540501 its reverse (105045001), we get a palindrome (205585502).

The spelling of 100540501 in words is "one hundred million, five hundred forty thousand, five hundred one".