101552089 has 2 divisors, whose sum is σ = 101552090. Its totient is φ = 101552088.

The previous prime is 101552071. The next prime is 101552137. The reversal of 101552089 is 980255101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86806489 + 14745600 = 9317^2 + 3840^2 .

It is a cyclic number.

It is not a de Polignac number, because 101552089 - 2²¹ = 99454937 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101552089.

It is not a weakly prime, because it can be changed into another prime (101552029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50776044 + 50776045.

It is an arithmetic number, because the mean of its divisors is an integer number (50776045).

Almost surely, 2^101552089 is an apocalyptic number.

It is an amenable number.

101552089 is a deficient number, since it is larger than the sum of its proper divisors (1).

101552089 is an equidigital number, since it uses as much as digits as its factorization.

101552089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 101552089 is about 10077.3056418866. The cubic root of 101552089 is about 466.5479518323.

The spelling of 101552089 in words is "one hundred one million, five hundred fifty-two thousand, eighty-nine".