61150613 has 4 divisors (see below), whose sum is σ = 61275648. Its totient is φ = 61025580.

The previous prime is 61150597. The next prime is 61150637. The reversal of 61150613 is 31605116.

It is a happy number.

61150613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61150613 - 2⁴ = 61150597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61150013) 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, 61781 + ... + 62762.

It is an arithmetic number, because the mean of its divisors is an integer number (15318912).

Almost surely, 2^61150613 is an apocalyptic number.

It is an amenable number.

61150613 is a deficient number, since it is larger than the sum of its proper divisors (125035).

61150613 is a wasteful number, since it uses less digits than its factorization.

61150613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125034.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 61150613 is about 7819.8857408533. The cubic root of 61150613 is about 393.9734343534.

Adding to 61150613 its reverse (31605116), we get a palindrome (92755729).

The spelling of 61150613 in words is "sixty-one million, one hundred fifty thousand, six hundred thirteen".