61010051 has 4 divisors (see below), whose sum is σ = 61110192. Its totient is φ = 60909912.

The previous prime is 61010029. The next prime is 61010069. The reversal of 61010051 is 15001016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61010051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61010021) 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, 49151 + ... + 50376.

It is an arithmetic number, because the mean of its divisors is an integer number (15277548).

Almost surely, 2^61010051 is an apocalyptic number.

61010051 is a deficient number, since it is larger than the sum of its proper divisors (100141).

61010051 is an equidigital number, since it uses as much as digits as its factorization.

61010051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100140.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 61010051 is about 7810.8930987436. The cubic root of 61010051 is about 393.6713377421.

Adding to 61010051 its reverse (15001016), we get a palindrome (76011067).

The spelling of 61010051 in words is "sixty-one million, ten thousand, fifty-one".