51230061 has 24 divisors (see below), whose sum is σ = 82480320. Its totient is φ = 30450816.

The previous prime is 51230029. The next prime is 51230063. The reversal of 51230061 is 16003215.

It is not a de Polignac number, because 51230061 - 2⁵ = 51230029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51230063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5905 + ... + 11718.

It is an arithmetic number, because the mean of its divisors is an integer number (3436680).

Almost surely, 2^51230061 is an apocalyptic number.

51230061 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

51230061 is a deficient number, since it is larger than the sum of its proper divisors (31250259).

51230061 is a wasteful number, since it uses less digits than its factorization.

51230061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17665 (or 17662 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 51230061 is about 7157.5177959960. The cubic root of 51230061 is about 371.3997647637.

Adding to 51230061 its reverse (16003215), we get a palindrome (67233276).

The spelling of 51230061 in words is "fifty-one million, two hundred thirty thousand, sixty-one".