61502442 has 8 divisors (see below), whose sum is σ = 123004896. Its totient is φ = 20500812.

The previous prime is 61502429. The next prime is 61502453. The reversal of 61502442 is 24420516.

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

61502442 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5125198 + ... + 5125209.

It is an arithmetic number, because the mean of its divisors is an integer number (15375612).

Almost surely, 2^61502442 is an apocalyptic number.

61502442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61502442 is a wasteful number, since it uses less digits than its factorization.

61502442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10250412.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 61502442 is about 7842.3492653669. The cubic root of 61502442 is about 394.7275630343.

Adding to 61502442 its reverse (24420516), we get a palindrome (85922958).

It can be divided in two parts, 61 and 502442, that added together give a triangular number (502503 = T₁₀₀₂).

The spelling of 61502442 in words is "sixty-one million, five hundred two thousand, four hundred forty-two".