101265553 has 2 divisors, whose sum is σ = 101265554. Its totient is φ = 101265552.

The previous prime is 101265539. The next prime is 101265581. The reversal of 101265553 is 355562101.

It is an a-pointer prime, because the next prime (101265581) can be obtained adding 101265553 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78004224 + 23261329 = 8832^2 + 4823^2 .

It is an emirp because it is prime and its reverse (355562101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101265553 - 2¹³ = 101257361 is a prime.

It is not a weakly prime, because it can be changed into another prime (101265503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50632776 + 50632777.

It is an arithmetic number, because the mean of its divisors is an integer number (50632777).

Almost surely, 2^101265553 is an apocalyptic number.

It is an amenable number.

101265553 is a deficient number, since it is larger than the sum of its proper divisors (1).

101265553 is an equidigital number, since it uses as much as digits as its factorization.

101265553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 101265553 is about 10063.0787038560. The cubic root of 101265553 is about 466.1087397513.

The spelling of 101265553 in words is "one hundred one million, two hundred sixty-five thousand, five hundred fifty-three".