101533427 has 4 divisors (see below), whose sum is σ = 101671560. Its totient is φ = 101395296.

The previous prime is 101533423. The next prime is 101533429. The reversal of 101533427 is 724335101.

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

It is a cyclic number.

It is not a de Polignac number, because 101533427 - 2² = 101533423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101533396 and 101533405.

It is not an unprimeable number, because it can be changed into a prime (101533423) 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, 67958 + ... + 69435.

It is an arithmetic number, because the mean of its divisors is an integer number (25417890).

Almost surely, 2^101533427 is an apocalyptic number.

101533427 is a deficient number, since it is larger than the sum of its proper divisors (138133).

101533427 is an equidigital number, since it uses as much as digits as its factorization.

101533427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138132.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 101533427 is about 10076.3796573968. The cubic root of 101533427 is about 466.5193712574.

Adding to 101533427 its reverse (724335101), we get a palindrome (825868528).

The spelling of 101533427 in words is "one hundred one million, five hundred thirty-three thousand, four hundred twenty-seven".