97540851 has 16 divisors (see below), whose sum is σ = 138263040. Its totient is φ = 60991200.

The previous prime is 97540847. The next prime is 97540867. The reversal of 97540851 is 15804579.

It is not a de Polignac number, because 97540851 - 2² = 97540847 is a prime.

It is a super-3 number, since 3×97540851³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (97540801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2715 + ... + 14228.

It is an arithmetic number, because the mean of its divisors is an integer number (8641440).

Almost surely, 2^97540851 is an apocalyptic number.

97540851 is a deficient number, since it is larger than the sum of its proper divisors (40722189).

97540851 is a wasteful number, since it uses less digits than its factorization.

97540851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17066.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 97540851 is about 9876.2771832305. The cubic root of 97540851 is about 460.3224755193.

The spelling of 97540851 in words is "ninety-seven million, five hundred forty thousand, eight hundred fifty-one".