61889051 has 16 divisors (see below), whose sum is σ = 73328640. Its totient is φ = 51114240.

The previous prime is 61888999. The next prime is 61889059. The reversal of 61889051 is 15098816.

61889051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61889051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61888996 and 61889014.

It is not an unprimeable number, because it can be changed into a prime (61889059) 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 15 ways as a sum of consecutive naturals, for example, 66155 + ... + 67083.

It is an arithmetic number, because the mean of its divisors is an integer number (4583040).

Almost surely, 2^61889051 is an apocalyptic number.

61889051 is a deficient number, since it is larger than the sum of its proper divisors (11439589).

61889051 is a wasteful number, since it uses less digits than its factorization.

61889051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 61889051 is about 7866.9594507662. The cubic root of 61889051 is about 395.5529317667.

The spelling of 61889051 in words is "sixty-one million, eight hundred eighty-nine thousand, fifty-one".