101353561 has 4 divisors (see below), whose sum is σ = 101614500. Its totient is φ = 101092624.

The previous prime is 101353547. The next prime is 101353583. The reversal of 101353561 is 165353101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 47610000 + 53743561 = 6900^2 + 7331^2 .

It is a cyclic number.

It is not a de Polignac number, because 101353561 - 2¹³ = 101345369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101353361) 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, 129886 + ... + 130663.

It is an arithmetic number, because the mean of its divisors is an integer number (25403625).

Almost surely, 2^101353561 is an apocalyptic number.

It is an amenable number.

101353561 is a deficient number, since it is larger than the sum of its proper divisors (260939).

101353561 is an equidigital number, since it uses as much as digits as its factorization.

101353561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260938.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 101353561 is about 10067.4505710234. The cubic root of 101353561 is about 466.2437294520.

The spelling of 101353561 in words is "one hundred one million, three hundred fifty-three thousand, five hundred sixty-one".