102435253 has 4 divisors (see below), whose sum is σ = 105739648. Its totient is φ = 99130860.

The previous prime is 102435241. The next prime is 102435283. The reversal of 102435253 is 352534201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102435253 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102435233) 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, 1652151 + ... + 1652212.

It is an arithmetic number, because the mean of its divisors is an integer number (26434912).

Almost surely, 2^102435253 is an apocalyptic number.

It is an amenable number.

102435253 is a deficient number, since it is larger than the sum of its proper divisors (3304395).

102435253 is an equidigital number, since it uses as much as digits as its factorization.

102435253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3304394.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 102435253 is about 10121.0302341214. The cubic root of 102435253 is about 467.8965196612.

Adding to 102435253 its reverse (352534201), we get a palindrome (454969454).

The spelling of 102435253 in words is "one hundred two million, four hundred thirty-five thousand, two hundred fifty-three".