61584542 has 16 divisors (see below), whose sum is σ = 94871952. Its totient is φ = 29964480.

The previous prime is 61584527. The next prime is 61584571. The reversal of 61584542 is 24548516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44168 + ... + 45540.

It is an arithmetic number, because the mean of its divisors is an integer number (5929497).

Almost surely, 2^61584542 is an apocalyptic number.

61584542 is a deficient number, since it is larger than the sum of its proper divisors (33287410).

61584542 is a wasteful number, since it uses less digits than its factorization.

61584542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963.

The product of its digits is 38400, while the sum is 35.

The square root of 61584542 is about 7847.5819205664. The cubic root of 61584542 is about 394.9031263799.

It can be divided in two parts, 61584 and 542, that added together give a palindrome (62126).

The spelling of 61584542 in words is "sixty-one million, five hundred eighty-four thousand, five hundred forty-two".