51252235 has 8 divisors (see below), whose sum is σ = 61579440. Its totient is φ = 40950624.

The previous prime is 51252233. The next prime is 51252241. The reversal of 51252235 is 53225215.

It is a happy number.

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 51252235 - 2¹ = 51252233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51252233) 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, 1672 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (7697430).

Almost surely, 2^51252235 is an apocalyptic number.

51252235 is a deficient number, since it is larger than the sum of its proper divisors (10327205).

51252235 is a wasteful number, since it uses less digits than its factorization.

51252235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12797.

The product of its digits is 3000, while the sum is 25.

The square root of 51252235 is about 7159.0666291075. The cubic root of 51252235 is about 371.4533415786.

The spelling of 51252235 in words is "fifty-one million, two hundred fifty-two thousand, two hundred thirty-five".