151617 has 4 divisors (see below), whose sum is σ = 202160. Its totient is φ = 101076.

The previous prime is 151609. The next prime is 151631. The reversal of 151617 is 716151.

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 not a de Polignac number, because 151617 - 2³ = 151609 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151593 and 151602.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 151617.

It is not an unprimeable number, because it can be changed into a prime (151607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25267 + ... + 25272.

It is an arithmetic number, because the mean of its divisors is an integer number (50540).

2¹⁵¹⁶¹⁷ is an apocalyptic number.

It is an amenable number.

151617 is a deficient number, since it is larger than the sum of its proper divisors (50543).

151617 is an equidigital number, since it uses as much as digits as its factorization.

151617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50542.

The product of its digits is 210, while the sum is 21.

The square root of 151617 is about 389.3802768503. The cubic root of 151617 is about 53.3231708067.

Adding to 151617 its reverse (716151), we get a palindrome (867768).

The spelling of 151617 in words is "one hundred fifty-one thousand, six hundred seventeen".