101889461 has 2 divisors, whose sum is σ = 101889462. Its totient is φ = 101889460.

The previous prime is 101889439. The next prime is 101889481. The reversal of 101889461 is 164988101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101888836 + 625 = 10094^2 + 25^2 .

It is an emirp because it is prime and its reverse (164988101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101889461 - 2²⁶ = 34780597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101889421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50944730 + 50944731.

It is an arithmetic number, because the mean of its divisors is an integer number (50944731).

Almost surely, 2^101889461 is an apocalyptic number.

It is an amenable number.

101889461 is a deficient number, since it is larger than the sum of its proper divisors (1).

101889461 is an equidigital number, since it uses as much as digits as its factorization.

101889461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 101889461 is about 10094.0309589381. The cubic root of 101889461 is about 467.0640292969.

The spelling of 101889461 in words is "one hundred one million, eight hundred eighty-nine thousand, four hundred sixty-one".