61504522 has 8 divisors (see below), whose sum is σ = 92531556. Its totient is φ = 30660672.

The previous prime is 61504519. The next prime is 61504523. The reversal of 61504522 is 22540516.

61504522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 57744801 + 3759721 = 7599^2 + 1939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (61504523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44953 + ... + 46300.

Almost surely, 2^61504522 is an apocalyptic number.

61504522 is a deficient number, since it is larger than the sum of its proper divisors (31027034).

61504522 is a wasteful number, since it uses less digits than its factorization.

61504522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91592.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 61504522 is about 7842.4818775691. The cubic root of 61504522 is about 394.7320128526.

It can be divided in two parts, 61504 and 522, that added together give a palindrome (62026).

The spelling of 61504522 in words is "sixty-one million, five hundred four thousand, five hundred twenty-two".