61284504 has 64 divisors (see below), whose sum is σ = 159677280. Its totient is φ = 19584000.

The previous prime is 61284497. The next prime is 61284521. The reversal of 61284504 is 40548216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59514 + ... + 60534.

Almost surely, 2^61284504 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 61284504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79838640).

61284504 is an abundant number, since it is smaller than the sum of its proper divisors (98392776).

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

61284504 is a wasteful number, since it uses less digits than its factorization.

61284504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1128 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 61284504 is about 7828.4419905879. The cubic root of 61284504 is about 394.2607634165.

The spelling of 61284504 in words is "sixty-one million, two hundred eighty-four thousand, five hundred four".