153312197 has 4 divisors (see below), whose sum is σ = 161381280. Its totient is φ = 145243116.

The previous prime is 153312193. The next prime is 153312221. The reversal of 153312197 is 791213351.

153312197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 153312197 - 2² = 153312193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153312193) 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, 4034513 + ... + 4034550.

It is an arithmetic number, because the mean of its divisors is an integer number (40345320).

Almost surely, 2^153312197 is an apocalyptic number.

It is an amenable number.

153312197 is a deficient number, since it is larger than the sum of its proper divisors (8069083).

153312197 is an equidigital number, since it uses as much as digits as its factorization.

153312197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069082.

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

The square root of 153312197 is about 12381.9302614738. The cubic root of 153312197 is about 535.2116634166.

The spelling of 153312197 in words is "one hundred fifty-three million, three hundred twelve thousand, one hundred ninety-seven".