101543252 has 24 divisors (see below), whose sum is σ = 186109056. Its totient is φ = 48385568.

The previous prime is 101543251. The next prime is 101543291. The reversal of 101543252 is 252345101.

It is a super-2 number, since 2×101543252² = 20622064053471008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101543251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25073 + ... + 28839.

It is an arithmetic number, because the mean of its divisors is an integer number (7754544).

Almost surely, 2^101543252 is an apocalyptic number.

It is an amenable number.

101543252 is a deficient number, since it is larger than the sum of its proper divisors (84565804).

101543252 is a wasteful number, since it uses less digits than its factorization.

101543252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4087 (or 4085 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 101543252 is about 10076.8671718942. The cubic root of 101543252 is about 466.5344185350.

Adding to 101543252 its reverse (252345101), we get a palindrome (353888353).

The spelling of 101543252 in words is "one hundred one million, five hundred forty-three thousand, two hundred fifty-two".