102288479 has 2 divisors, whose sum is σ = 102288480. Its totient is φ = 102288478.

The previous prime is 102288427. The next prime is 102288491. The reversal of 102288479 is 974882201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102288479 is a prime.

It is a super-2 number, since 2×102288479² = 20925865872266882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102288079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51144239 + 51144240.

It is an arithmetic number, because the mean of its divisors is an integer number (51144240).

Almost surely, 2^102288479 is an apocalyptic number.

102288479 is a deficient number, since it is larger than the sum of its proper divisors (1).

102288479 is an equidigital number, since it uses as much as digits as its factorization.

102288479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 102288479 is about 10113.7766932042. The cubic root of 102288479 is about 467.6729382015.

The spelling of 102288479 in words is "one hundred two million, two hundred eighty-eight thousand, four hundred seventy-nine".