51250441 has 4 divisors (see below), whose sum is σ = 55909584. Its totient is φ = 46591300.

The previous prime is 51250411. The next prime is 51250477. The reversal of 51250441 is 14405215.

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 51250441 - 2⁹ = 51249929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51250411) 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, 2329555 + ... + 2329576.

It is an arithmetic number, because the mean of its divisors is an integer number (13977396).

Almost surely, 2^51250441 is an apocalyptic number.

It is an amenable number.

51250441 is a deficient number, since it is larger than the sum of its proper divisors (4659143).

51250441 is a wasteful number, since it uses less digits than its factorization.

51250441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659142.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 51250441 is about 7158.9413323480. The cubic root of 51250441 is about 371.4490074907.

Adding to 51250441 its reverse (14405215), we get a palindrome (65655656).

The spelling of 51250441 in words is "fifty-one million, two hundred fifty thousand, four hundred forty-one".