361252 has 6 divisors (see below), whose sum is σ = 632198. Its totient is φ = 180624.

The previous prime is 361241. The next prime is 361271. The reversal of 361252 is 252163.

361252 = T₄₂₃ + T₄₂₄ + ... + T₄₂₆.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 181476 + 179776 = 426^2 + 424^2 .

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

It is an unprimeable number.

361252 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45153 + ... + 45160.

2³⁶¹²⁵² is an apocalyptic number.

It is an amenable number.

361252 is a deficient number, since it is larger than the sum of its proper divisors (270946).

361252 is a wasteful number, since it uses less digits than its factorization.

361252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90317 (or 90315 counting only the distinct ones).

The product of its digits is 360, while the sum is 19.

The square root of 361252 is about 601.0424277869. The cubic root of 361252 is about 71.2202379031.

The spelling of 361252 in words is "three hundred sixty-one thousand, two hundred fifty-two".