61324452 has 72 divisors (see below), whose sum is σ = 183741376. Its totient is φ = 17519328.

The previous prime is 61324451. The next prime is 61324469. The reversal of 61324452 is 25442316.

61324452 is a `hidden beast` number, since 613 + 2 + 4 + 45 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (61324451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2298 + ... + 11310.

Almost surely, 2^61324452 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 61324452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91870688).

61324452 is an abundant number, since it is smaller than the sum of its proper divisors (122416924).

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

61324452 is a wasteful number, since it uses less digits than its factorization.

61324452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9025 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 61324452 is about 7830.9930404771. The cubic root of 61324452 is about 394.3464104507.

Adding to 61324452 its reverse (25442316), we get a palindrome (86766768).

It can be divided in two parts, 61324 and 452, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 61324452 in words is "sixty-one million, three hundred twenty-four thousand, four hundred fifty-two".