61048857 has 8 divisors (see below), whose sum is σ = 84205440. Its totient is φ = 39295760.

The previous prime is 61048849. The next prime is 61048873. The reversal of 61048857 is 75884016.

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 61048857 - 2³ = 61048849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61048807) 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 7 ways as a sum of consecutive naturals, for example, 350769 + ... + 350942.

It is an arithmetic number, because the mean of its divisors is an integer number (10525680).

Almost surely, 2^61048857 is an apocalyptic number.

It is an amenable number.

61048857 is a deficient number, since it is larger than the sum of its proper divisors (23156583).

61048857 is a wasteful number, since it uses less digits than its factorization.

61048857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701743.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 61048857 is about 7813.3767987983. The cubic root of 61048857 is about 393.7547861348.

The spelling of 61048857 in words is "sixty-one million, forty-eight thousand, eight hundred fifty-seven".