61310506 has 8 divisors (see below), whose sum is σ = 93701124. Its totient is φ = 30076800.

The previous prime is 61310471. The next prime is 61310519. The reversal of 61310506 is 60501316.

61310506 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 54154881 + 7155625 = 7359^2 + 2675^2 .

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

It is an unprimeable number.

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, 289095 + ... + 289306.

Almost surely, 2^61310506 is an apocalyptic number.

61310506 is a deficient number, since it is larger than the sum of its proper divisors (32390618).

61310506 is a wasteful number, since it uses less digits than its factorization.

61310506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578456.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 61310506 is about 7830.1025536068. The cubic root of 61310506 is about 394.3165149697.

It can be divided in two parts, 61310 and 506, that added together give a palindrome (61816).

The spelling of 61310506 in words is "sixty-one million, three hundred ten thousand, five hundred six".