61371049 has 8 divisors (see below), whose sum is σ = 64372608. Its totient is φ = 58440240.

The previous prime is 61371029. The next prime is 61371053. The reversal of 61371049 is 94017316.

It is a happy number.

61371049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 61371049 - 2⁵ = 61371017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61371049.

It is not an unprimeable number, because it can be changed into a prime (61371029) 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 7 ways as a sum of consecutive naturals, for example, 15907 + ... + 19384.

It is an arithmetic number, because the mean of its divisors is an integer number (8046576).

Almost surely, 2^61371049 is an apocalyptic number.

It is an amenable number.

61371049 is a deficient number, since it is larger than the sum of its proper divisors (3001559).

61371049 is a wasteful number, since it uses less digits than its factorization.

61371049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35375.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 61371049 is about 7833.9676409850. The cubic root of 61371049 is about 394.4462657119.

The spelling of 61371049 in words is "sixty-one million, three hundred seventy-one thousand, forty-nine".