51074081 has 4 divisors (see below), whose sum is σ = 52721664. Its totient is φ = 49426500.

The previous prime is 51074059. The next prime is 51074083. The reversal of 51074081 is 18047015.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51074081 - 2¹⁴ = 51057697 is a prime.

It is a super-2 number, since 2×51074081² = 5217123499989122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51074081.

It is not an unprimeable number, because it can be changed into a prime (51074083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823745 + ... + 823806.

It is an arithmetic number, because the mean of its divisors is an integer number (13180416).

Almost surely, 2^51074081 is an apocalyptic number.

It is an amenable number.

51074081 is a deficient number, since it is larger than the sum of its proper divisors (1647583).

51074081 is a wasteful number, since it uses less digits than its factorization.

51074081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647582.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 51074081 is about 7146.6132538427. The cubic root of 51074081 is about 371.0224483478.

The spelling of 51074081 in words is "fifty-one million, seventy-four thousand, eighty-one".