102550433 has 4 divisors (see below), whose sum is σ = 102721668. Its totient is φ = 102379200.

The previous prime is 102550417. The next prime is 102550439. The reversal of 102550433 is 334055201.

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

It can be written as a sum of positive squares in 2 ways, for example, as 97456384 + 5094049 = 9872^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 102550433 - 2⁴ = 102550417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102550399 and 102550408.

It is not an unprimeable number, because it can be changed into a prime (102550439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84716 + ... + 85917.

It is an arithmetic number, because the mean of its divisors is an integer number (25680417).

Almost surely, 2^102550433 is an apocalyptic number.

It is an amenable number.

102550433 is a deficient number, since it is larger than the sum of its proper divisors (171235).

102550433 is an equidigital number, since it uses as much as digits as its factorization.

102550433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171234.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 102550433 is about 10126.7187676957. The cubic root of 102550433 is about 468.0718243309.

The spelling of 102550433 in words is "one hundred two million, five hundred fifty thousand, four hundred thirty-three".