97540611 has 32 divisors (see below), whose sum is σ = 157989888. Its totient is φ = 52254720.

The previous prime is 97540591. The next prime is 97540627. The reversal of 97540611 is 11604579.

It is not a de Polignac number, because 97540611 - 2⁹ = 97540099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (97540711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154266 + ... + 154896.

It is an arithmetic number, because the mean of its divisors is an integer number (4937184).

Almost surely, 2^97540611 is an apocalyptic number.

97540611 is a deficient number, since it is larger than the sum of its proper divisors (60449277).

97540611 is a wasteful number, since it uses less digits than its factorization.

97540611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 97540611 is about 9876.2650328958. The cubic root of 97540611 is about 460.3220979766.

The spelling of 97540611 in words is "ninety-seven million, five hundred forty thousand, six hundred eleven".