102306497 has 4 divisors (see below), whose sum is σ = 102820800. Its totient is φ = 101792196.

The previous prime is 102306467. The next prime is 102306509. The reversal of 102306497 is 794603201.

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 102306497 - 2⁶ = 102306433 is a prime.

It is a super-2 number, since 2×102306497² = 20933238656822018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102306467) 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, 256853 + ... + 257250.

It is an arithmetic number, because the mean of its divisors is an integer number (25705200).

Almost surely, 2^102306497 is an apocalyptic number.

It is an amenable number.

102306497 is a deficient number, since it is larger than the sum of its proper divisors (514303).

102306497 is an equidigital number, since it uses as much as digits as its factorization.

102306497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514302.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 102306497 is about 10114.6674191493. The cubic root of 102306497 is about 467.7003966092.

Adding to 102306497 its reverse (794603201), we get a palindrome (896909698).

The spelling of 102306497 in words is "one hundred two million, three hundred six thousand, four hundred ninety-seven".