97207013 has 4 divisors (see below), whose sum is σ = 97327980. Its totient is φ = 97086048.

The previous prime is 97207001. The next prime is 97207063. The reversal of 97207013 is 31070279.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31070279 = 181 ⋅171659.

It can be written as a sum of positive squares in 2 ways, for example, as 91833889 + 5373124 = 9583^2 + 2318^2 .

It is a cyclic number.

It is not a de Polignac number, because 97207013 - 2⁸ = 97206757 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97207063) 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, 59270 + ... + 60887.

It is an arithmetic number, because the mean of its divisors is an integer number (24331995).

Almost surely, 2^97207013 is an apocalyptic number.

It is an amenable number.

97207013 is a deficient number, since it is larger than the sum of its proper divisors (120967).

97207013 is a wasteful number, since it uses less digits than its factorization.

97207013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120966.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 97207013 is about 9859.3616933349. The cubic root of 97207013 is about 459.7967170468.

The spelling of 97207013 in words is "ninety-seven million, two hundred seven thousand, thirteen".