61028849 has 4 divisors (see below), whose sum is σ = 69747264. Its totient is φ = 52310436.

The previous prime is 61028791. The next prime is 61028857. The reversal of 61028849 is 94882016.

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 61028849 - 2¹⁶ = 60963313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61028549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4359197 + ... + 4359210.

It is an arithmetic number, because the mean of its divisors is an integer number (17436816).

Almost surely, 2^61028849 is an apocalyptic number.

It is an amenable number.

61028849 is a deficient number, since it is larger than the sum of its proper divisors (8718415).

61028849 is an equidigital number, since it uses as much as digits as its factorization.

61028849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8718414.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 61028849 is about 7812.0963255710. The cubic root of 61028849 is about 393.7117653644.

The spelling of 61028849 in words is "sixty-one million, twenty-eight thousand, eight hundred forty-nine".