101535641 has 4 divisors (see below), whose sum is σ = 105036900. Its totient is φ = 98034384.

The previous prime is 101535587. The next prime is 101535647. The reversal of 101535641 is 146535101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146535101 = 197 ⋅743833.

It can be written as a sum of positive squares in 2 ways, for example, as 45225625 + 56310016 = 6725^2 + 7504^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101535641 is a prime.

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 101535641.

It is not an unprimeable number, because it can be changed into a prime (101535647) 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, 1750586 + ... + 1750643.

It is an arithmetic number, because the mean of its divisors is an integer number (26259225).

Almost surely, 2^101535641 is an apocalyptic number.

It is an amenable number.

101535641 is a deficient number, since it is larger than the sum of its proper divisors (3501259).

101535641 is an equidigital number, since it uses as much as digits as its factorization.

101535641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3501258.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 101535641 is about 10076.4895176842. The cubic root of 101535641 is about 466.5227621485.

The spelling of 101535641 in words is "one hundred one million, five hundred thirty-five thousand, six hundred forty-one".