97455973 has 2 divisors, whose sum is σ = 97455974. Its totient is φ = 97455972.

The previous prime is 97455961. The next prime is 97455977. The reversal of 97455973 is 37955479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54199044 + 43256929 = 7362^2 + 6577^2 .

It is a cyclic number.

It is not a de Polignac number, because 97455973 - 2¹³ = 97447781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97455977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48727986 + 48727987.

It is an arithmetic number, because the mean of its divisors is an integer number (48727987).

Almost surely, 2^97455973 is an apocalyptic number.

It is an amenable number.

97455973 is a deficient number, since it is larger than the sum of its proper divisors (1).

97455973 is an equidigital number, since it uses as much as digits as its factorization.

97455973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 49.

The square root of 97455973 is about 9871.9791835275. The cubic root of 97455973 is about 460.1889157880.

The spelling of 97455973 in words is "ninety-seven million, four hundred fifty-five thousand, nine hundred seventy-three".