51266302 has 4 divisors (see below), whose sum is σ = 76899456. Its totient is φ = 25633150.

The previous prime is 51266279. The next prime is 51266381. The reversal of 51266302 is 20366215.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20366215 = 5 ⋅4073243.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12816574 + ... + 12816577.

It is an arithmetic number, because the mean of its divisors is an integer number (19224864).

Almost surely, 2^51266302 is an apocalyptic number.

51266302 is a deficient number, since it is larger than the sum of its proper divisors (25633154).

51266302 is a wasteful number, since it uses less digits than its factorization.

51266302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25633153.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 51266302 is about 7160.0490221785. The cubic root of 51266302 is about 371.4873222507.

The spelling of 51266302 in words is "fifty-one million, two hundred sixty-six thousand, three hundred two".