61342013 has 4 divisors (see below), whose sum is σ = 64570560. Its totient is φ = 58113468.

The previous prime is 61342009. The next prime is 61342031. The reversal of 61342013 is 31024316.

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 61342013 - 2² = 61342009 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 (61342213) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1614245 + ... + 1614282.

It is an arithmetic number, because the mean of its divisors is an integer number (16142640).

Almost surely, 2^61342013 is an apocalyptic number.

It is an amenable number.

61342013 is a deficient number, since it is larger than the sum of its proper divisors (3228547).

61342013 is a wasteful number, since it uses less digits than its factorization.

61342013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228546.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 61342013 is about 7832.1142100968. The cubic root of 61342013 is about 394.3840488161.

Adding to 61342013 its reverse (31024316), we get a palindrome (92366329).

The spelling of 61342013 in words is "sixty-one million, three hundred forty-two thousand, thirteen".