51061203 has 12 divisors (see below), whose sum is σ = 73898448. Its totient is φ = 33974640.

The previous prime is 51061193. The next prime is 51061249. The reversal of 51061203 is 30216015.

51061203 is a `hidden beast` number, since 51 + 0 + 612 + 0 + 3 = 666.

It is not a de Polignac number, because 51061203 - 2⁶ = 51061139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51060203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375 + ... + 10112.

It is an arithmetic number, because the mean of its divisors is an integer number (6158204).

Almost surely, 2^51061203 is an apocalyptic number.

51061203 is a deficient number, since it is larger than the sum of its proper divisors (22837245).

51061203 is a wasteful number, since it uses less digits than its factorization.

51061203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11034 (or 11031 counting only the distinct ones).

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

The square root of 51061203 is about 7145.7122108297. The cubic root of 51061203 is about 370.9912620877.

Adding to 51061203 its reverse (30216015), we get a palindrome (81277218).

It can be divided in two parts, 5 and 1061203, that added together give a cube (1061208 = 102³).

The spelling of 51061203 in words is "fifty-one million, sixty-one thousand, two hundred three".