97537943 has 2 divisors, whose sum is σ = 97537944. Its totient is φ = 97537942.

The previous prime is 97537939. The next prime is 97537961. The reversal of 97537943 is 34973579.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (34973579) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97537943 - 2² = 97537939 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97537343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48768971 + 48768972.

It is an arithmetic number, because the mean of its divisors is an integer number (48768972).

Almost surely, 2^97537943 is an apocalyptic number.

97537943 is a deficient number, since it is larger than the sum of its proper divisors (1).

97537943 is an equidigital number, since it uses as much as digits as its factorization.

97537943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 714420, while the sum is 47.

The square root of 97537943 is about 9876.1299606678. The cubic root of 97537943 is about 460.3179009195.

The spelling of 97537943 in words is "ninety-seven million, five hundred thirty-seven thousand, nine hundred forty-three".