997587103 has 2 divisors, whose sum is σ = 997587104. Its totient is φ = 997587102.

The previous prime is 997587089. The next prime is 997587127. The reversal of 997587103 is 301785799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 997587103 - 2⁹ = 997586591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (997587193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498793551 + 498793552.

It is an arithmetic number, because the mean of its divisors is an integer number (498793552).

Almost surely, 2^997587103 is an apocalyptic number.

997587103 is a deficient number, since it is larger than the sum of its proper divisors (1).

997587103 is an equidigital number, since it uses as much as digits as its factorization.

997587103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 476280, while the sum is 49.

The square root of 997587103 is about 31584.6023087200. The cubic root of 997587103 is about 999.1950532346.

The spelling of 997587103 in words is "nine hundred ninety-seven million, five hundred eighty-seven thousand, one hundred three".