101645461 has 2 divisors, whose sum is σ = 101645462. Its totient is φ = 101645460.

The previous prime is 101645417. The next prime is 101645471. The reversal of 101645461 is 164546101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88642225 + 13003236 = 9415^2 + 3606^2 .

It is an emirp because it is prime and its reverse (164546101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101645461 - 2¹¹ = 101643413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101645471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50822730 + 50822731.

It is an arithmetic number, because the mean of its divisors is an integer number (50822731).

Almost surely, 2^101645461 is an apocalyptic number.

It is an amenable number.

101645461 is a deficient number, since it is larger than the sum of its proper divisors (1).

101645461 is an equidigital number, since it uses as much as digits as its factorization.

101645461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 101645461 is about 10081.9373634238. The cubic root of 101645461 is about 466.6908970979.

It can be divided in two parts, 10164 and 5461, that added together give a 6-th power (15625 = 5⁶).

The spelling of 101645461 in words is "one hundred one million, six hundred forty-five thousand, four hundred sixty-one".