61051 has 2 divisors, whose sum is σ = 61052. Its totient is φ = 61050.

The previous prime is 61043. The next prime is 61057. The reversal of 61051 is 15016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61051 - 2³ = 61043 is a prime.

It is equal to p₆₁₅₁ and since 61051 and 6151 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (61057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525 + 30526.

It is an arithmetic number, because the mean of its divisors is an integer number (30526).

2⁶¹⁰⁵¹ is an apocalyptic number.

61051 is the 111-st centered decagonal number.

61051 is a deficient number, since it is larger than the sum of its proper divisors (1).

61051 is an equidigital number, since it uses as much as digits as its factorization.

61051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 61051 is about 247.0850056155. The cubic root of 61051 is about 39.3759393410.

Adding to 61051 its reverse (15016), we get a palindrome (76067).

The spelling of 61051 in words is "sixty-one thousand, fifty-one".