51012302 has 16 divisors (see below), whose sum is σ = 87868800. Its totient is φ = 21966840.

The previous prime is 51012301. The next prime is 51012389. The reversal of 51012302 is 20321015.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51012301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60602 + ... + 61437.

It is an arithmetic number, because the mean of its divisors is an integer number (5491800).

Almost surely, 2^51012302 is an apocalyptic number.

51012302 is a deficient number, since it is larger than the sum of its proper divisors (36856498).

51012302 is a wasteful number, since it uses less digits than its factorization.

51012302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122071.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 51012302 is about 7142.2896888883. The cubic root of 51012302 is about 370.8727922438.

Adding to 51012302 its reverse (20321015), we get a palindrome (71333317).

The spelling of 51012302 in words is "fifty-one million, twelve thousand, three hundred two".