97582939 has 2 divisors, whose sum is σ = 97582940. Its totient is φ = 97582938.

The previous prime is 97582937. The next prime is 97583011. The reversal of 97582939 is 93928579.

It is a weak prime.

It is an emirp because it is prime and its reverse (93928579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97582939 - 2¹ = 97582937 is a prime.

Together with 97582937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (97582937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48791469 + 48791470.

It is an arithmetic number, because the mean of its divisors is an integer number (48791470).

Almost surely, 2^97582939 is an apocalyptic number.

97582939 is a deficient number, since it is larger than the sum of its proper divisors (1).

97582939 is an equidigital number, since it uses as much as digits as its factorization.

97582939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 52.

The square root of 97582939 is about 9878.4077158214. The cubic root of 97582939 is about 460.3886743349.

The spelling of 97582939 in words is "ninety-seven million, five hundred eighty-two thousand, nine hundred thirty-nine".