102259493 has 4 divisors (see below), whose sum is σ = 116868000. Its totient is φ = 87650988.

The previous prime is 102259489. The next prime is 102259499. The reversal of 102259493 is 394952201.

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 not a de Polignac number, because 102259493 - 2² = 102259489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102259499) 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, 7304243 + ... + 7304256.

It is an arithmetic number, because the mean of its divisors is an integer number (29217000).

Almost surely, 2^102259493 is an apocalyptic number.

It is an amenable number.

102259493 is a deficient number, since it is larger than the sum of its proper divisors (14608507).

102259493 is an equidigital number, since it uses as much as digits as its factorization.

102259493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608506.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 102259493 is about 10112.3435958239. The cubic root of 102259493 is about 467.6287584183.

The spelling of 102259493 in words is "one hundred two million, two hundred fifty-nine thousand, four hundred ninety-three".