97213245 has 32 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 49943808.

The previous prime is 97213243. The next prime is 97213247. The reversal of 97213245 is 54231279.

It is an interprime number because it is at equal distance from previous prime (97213243) and next prime (97213247).

It is not a de Polignac number, because 97213245 - 2¹ = 97213243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97213243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58567 + ... + 60203.

It is an arithmetic number, because the mean of its divisors is an integer number (5041764).

Almost surely, 2^97213245 is an apocalyptic number.

It is an amenable number.

97213245 is a deficient number, since it is larger than the sum of its proper divisors (64123203).

97213245 is a wasteful number, since it uses less digits than its factorization.

97213245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its digits is 15120, while the sum is 33.

The square root of 97213245 is about 9859.6777330702. The cubic root of 97213245 is about 459.8065427848.

The spelling of 97213245 in words is "ninety-seven million, two hundred thirteen thousand, two hundred forty-five".