51170241 has 4 divisors (see below), whose sum is σ = 68226992. Its totient is φ = 34113492.

The previous prime is 51170233. The next prime is 51170257. The reversal of 51170241 is 14207115.

It is a happy number.

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 not a de Polignac number, because 51170241 - 2³ = 51170233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53170241) 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, 8528371 + ... + 8528376.

It is an arithmetic number, because the mean of its divisors is an integer number (17056748).

Almost surely, 2^51170241 is an apocalyptic number.

It is an amenable number.

51170241 is a deficient number, since it is larger than the sum of its proper divisors (17056751).

51170241 is a wasteful number, since it uses less digits than its factorization.

51170241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17056750.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 51170241 is about 7153.3377524062. The cubic root of 51170241 is about 371.2551505368.

Adding to 51170241 its reverse (14207115), we get a palindrome (65377356).

The spelling of 51170241 in words is "fifty-one million, one hundred seventy thousand, two hundred forty-one".