152172197417 has 4 divisors (see below), whose sum is σ = 152175069780. Its totient is φ = 152169325056.

The previous prime is 152172197371. The next prime is 152172197423. The reversal of 152172197417 is 714791271251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 104239225321 + 47932972096 = 322861^2 + 218936^2 .

It is a cyclic number.

It is not a de Polignac number, because 152172197417 - 2²⁰ = 152171148841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152172197467) 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, 1355192 + ... + 1463177.

It is an arithmetic number, because the mean of its divisors is an integer number (38043767445).

Almost surely, 2^152172197417 is an apocalyptic number.

It is an amenable number.

152172197417 is a deficient number, since it is larger than the sum of its proper divisors (2872363).

152172197417 is an equidigital number, since it uses as much as digits as its factorization.

152172197417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872362.

The product of its digits is 246960, while the sum is 47.

The spelling of 152172197417 in words is "one hundred fifty-two billion, one hundred seventy-two million, one hundred ninety-seven thousand, four hundred seventeen".