65031197 has 12 divisors (see below), whose sum is σ = 81166176. Its totient is φ = 50618520.

The previous prime is 65031181. The next prime is 65031203. The reversal of 65031197 is 79113056.

It is not a de Polignac number, because 65031197 - 2⁴ = 65031181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65031797) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70304 + ... + 71222.

It is an arithmetic number, because the mean of its divisors is an integer number (6763848).

Almost surely, 2^65031197 is an apocalyptic number.

It is an amenable number.

65031197 is a deficient number, since it is larger than the sum of its proper divisors (16134979).

65031197 is an frugal number, since it uses more digits than its factorization.

65031197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 65031197 is about 8064.1922720134. The cubic root of 65031197 is about 402.1368909970.

The spelling of 65031197 in words is "sixty-five million, thirty-one thousand, one hundred ninety-seven".