102505343 has 4 divisors (see below), whose sum is σ = 106040040. Its totient is φ = 98970648.

The previous prime is 102505331. The next prime is 102505357. The reversal of 102505343 is 343505201.

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

It is a cyclic number.

It is not a de Polignac number, because 102505343 - 2¹² = 102501247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102505363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1767305 + ... + 1767362.

It is an arithmetic number, because the mean of its divisors is an integer number (26510010).

Almost surely, 2^102505343 is an apocalyptic number.

102505343 is a deficient number, since it is larger than the sum of its proper divisors (3534697).

102505343 is an equidigital number, since it uses as much as digits as its factorization.

102505343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3534696.

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

The square root of 102505343 is about 10124.4922341814. The cubic root of 102505343 is about 468.0032127157.

The spelling of 102505343 in words is "one hundred two million, five hundred five thousand, three hundred forty-three".