51042253 has 8 divisors (see below), whose sum is σ = 52468416. Its totient is φ = 49624800.

The previous prime is 51042241. The next prime is 51042263. The reversal of 51042253 is 35224015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51042253 - 2⁹ = 51041741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51042223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10750 + ... + 14752.

It is an arithmetic number, because the mean of its divisors is an integer number (6558552).

Almost surely, 2^51042253 is an apocalyptic number.

It is an amenable number.

51042253 is a deficient number, since it is larger than the sum of its proper divisors (1426163).

51042253 is a wasteful number, since it uses less digits than its factorization.

51042253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4355.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 51042253 is about 7144.3861177851. The cubic root of 51042253 is about 370.9453619137.

Adding to 51042253 its reverse (35224015), we get a palindrome (86266268).

The spelling of 51042253 in words is "fifty-one million, forty-two thousand, two hundred fifty-three".