61522 has 8 divisors (see below), whose sum is σ = 97200. Its totient is φ = 29124.

The previous prime is 61519. The next prime is 61543. The reversal of 61522 is 22516.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 61496 and 61505.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 772 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (12150).

2⁶¹⁵²² is an apocalyptic number.

61522 is a deficient number, since it is larger than the sum of its proper divisors (35678).

61522 is a wasteful number, since it uses less digits than its factorization.

61522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640.

The product of its digits is 120, while the sum is 16.

The square root of 61522 is about 248.0362876678. The cubic root of 61522 is about 39.4769400200.

It can be divided in two parts, 615 and 22, that multiplied together give a triangular number (13530 = T₁₆₄).

The spelling of 61522 in words is "sixty-one thousand, five hundred twenty-two".