51013346 has 4 divisors (see below), whose sum is σ = 76520022. Its totient is φ = 25506672.

The previous prime is 51013301. The next prime is 51013357. The reversal of 51013346 is 64331015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 49857721 + 1155625 = 7061^2 + 1075^2 .

It is a super-2 number, since 2×51013346² = 5204722940231432, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12753335 + ... + 12753338.

Almost surely, 2^51013346 is an apocalyptic number.

51013346 is a deficient number, since it is larger than the sum of its proper divisors (25506676).

51013346 is a wasteful number, since it uses less digits than its factorization.

51013346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25506675.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 51013346 is about 7142.3627743206. The cubic root of 51013346 is about 370.8753222777.

The spelling of 51013346 in words is "fifty-one million, thirteen thousand, three hundred forty-six".