97548487 has 2 divisors, whose sum is σ = 97548488. Its totient is φ = 97548486.

The previous prime is 97548481. The next prime is 97548509. The reversal of 97548487 is 78484579.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97548487 - 2²³ = 89159879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97548481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48774243 + 48774244.

It is an arithmetic number, because the mean of its divisors is an integer number (48774244).

Almost surely, 2^97548487 is an apocalyptic number.

97548487 is a deficient number, since it is larger than the sum of its proper divisors (1).

97548487 is an equidigital number, since it uses as much as digits as its factorization.

97548487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2257920, while the sum is 52.

The square root of 97548487 is about 9876.6637585776. The cubic root of 97548487 is about 460.3344873436.

The spelling of 97548487 in words is "ninety-seven million, five hundred forty-eight thousand, four hundred eighty-seven".