2102497 has 2 divisors, whose sum is σ = 2102498. Its totient is φ = 2102496.

The previous prime is 2102489. The next prime is 2102519. The reversal of 2102497 is 7942012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2062096 + 40401 = 1436^2 + 201^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102497 - 2³ = 2102489 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 1 + 0 + 2²¹ + 4⁶ + 9³ + 7 .

It is not a weakly prime, because it can be changed into another prime (2102417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051248 + 1051249.

It is an arithmetic number, because the mean of its divisors is an integer number (1051249).

2^2102497 is an apocalyptic number.

It is an amenable number.

2102497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102497 is an equidigital number, since it uses as much as digits as its factorization.

2102497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2102497 is about 1449.9989655169. The cubic root of 2102497 is about 128.1086520486.

The spelling of 2102497 in words is "two million, one hundred two thousand, four hundred ninety-seven".