161252 has 24 divisors (see below), whose sum is σ = 348096. Its totient is φ = 63648.

The previous prime is 161237. The next prime is 161263. The reversal of 161252 is 252161.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 161252.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143 + ... + 585.

It is an arithmetic number, because the mean of its divisors is an integer number (14504).

2¹⁶¹²⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174048).

161252 is an abundant number, since it is smaller than the sum of its proper divisors (186844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161252 is a wasteful number, since it uses less digits than its factorization.

161252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 465 counting only the distinct ones).

The product of its digits is 120, while the sum is 17.

The square root of 161252 is about 401.5619503887. The cubic root of 161252 is about 54.4295867027.

Subtracting 161252 from its reverse (252161), we obtain a palindrome (90909).

The spelling of 161252 in words is "one hundred sixty-one thousand, two hundred fifty-two".