97541321 has 4 divisors (see below), whose sum is σ = 101782272. Its totient is φ = 93300372.

The previous prime is 97541317. The next prime is 97541371. The reversal of 97541321 is 12314579.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97541321 - 2² = 97541317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97541371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2120441 + ... + 2120486.

It is an arithmetic number, because the mean of its divisors is an integer number (25445568).

Almost surely, 2^97541321 is an apocalyptic number.

It is an amenable number.

97541321 is a deficient number, since it is larger than the sum of its proper divisors (4240951).

97541321 is a wasteful number, since it uses less digits than its factorization.

97541321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240950.

The product of its digits is 7560, while the sum is 32.

The square root of 97541321 is about 9876.3009775928. The cubic root of 97541321 is about 460.3232148718.

The spelling of 97541321 in words is "ninety-seven million, five hundred forty-one thousand, three hundred twenty-one".