51141405 has 64 divisors (see below), whose sum is σ = 98131968. Its totient is φ = 22256640.

The previous prime is 51141379. The next prime is 51141439. The reversal of 51141405 is 50414115.

51141405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51141405 - 2⁵ = 51141373 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 212085 + ... + 212325.

It is an arithmetic number, because the mean of its divisors is an integer number (1533312).

Almost surely, 2^51141405 is an apocalyptic number.

It is an amenable number.

51141405 is a deficient number, since it is larger than the sum of its proper divisors (46990563).

51141405 is a wasteful number, since it uses less digits than its factorization.

51141405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 51141405 is about 7151.3219057738. The cubic root of 51141405 is about 371.1853995454.

The spelling of 51141405 in words is "fifty-one million, one hundred forty-one thousand, four hundred five".