61357349 has 4 divisors (see below), whose sum is σ = 61462464. Its totient is φ = 61252236.

The previous prime is 61357337. The next prime is 61357363. The reversal of 61357349 is 94375316.

It is a happy number.

61357349 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 a de Polignac number, because none of the positive numbers 2^k-61357349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61357319) 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, 51677 + ... + 52850.

It is an arithmetic number, because the mean of its divisors is an integer number (15365616).

Almost surely, 2^61357349 is an apocalyptic number.

It is an amenable number.

61357349 is a deficient number, since it is larger than the sum of its proper divisors (105115).

61357349 is a wasteful number, since it uses less digits than its factorization.

61357349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105114.

The product of its digits is 68040, while the sum is 38.

The square root of 61357349 is about 7833.0931949007. The cubic root of 61357349 is about 394.4169124795.

The spelling of 61357349 in words is "sixty-one million, three hundred fifty-seven thousand, three hundred forty-nine".