97150211 has 4 divisors (see below), whose sum is σ = 102263400. Its totient is φ = 92037024.

The previous prime is 97150199. The next prime is 97150213. The reversal of 97150211 is 11205179.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 97150211 - 2⁶ = 97150147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97150213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556566 + ... + 2556603.

It is an arithmetic number, because the mean of its divisors is an integer number (25565850).

Almost surely, 2^97150211 is an apocalyptic number.

97150211 is a deficient number, since it is larger than the sum of its proper divisors (5113189).

97150211 is a wasteful number, since it uses less digits than its factorization.

97150211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113188.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 97150211 is about 9856.4806599516. The cubic root of 97150211 is about 459.7071403071.

The spelling of 97150211 in words is "ninety-seven million, one hundred fifty thousand, two hundred eleven".