51241535 has 4 divisors (see below), whose sum is σ = 61489848. Its totient is φ = 40993224.

The previous prime is 51241529. The next prime is 51241549. The reversal of 51241535 is 53514215.

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

It is a cyclic number.

It is not a de Polignac number, because 51241535 - 2⁸ = 51241279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5124149 + ... + 5124158.

It is an arithmetic number, because the mean of its divisors is an integer number (15372462).

Almost surely, 2^51241535 is an apocalyptic number.

51241535 is a deficient number, since it is larger than the sum of its proper divisors (10248313).

51241535 is a wasteful number, since it uses less digits than its factorization.

51241535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10248312.

The product of its digits is 3000, while the sum is 26.

The square root of 51241535 is about 7158.3192859777. The cubic root of 51241535 is about 371.4274901701.

The spelling of 51241535 in words is "fifty-one million, two hundred forty-one thousand, five hundred thirty-five".