49983251 has 2 divisors, whose sum is σ = 49983252. Its totient is φ = 49983250.

The previous prime is 49983239. The next prime is 49983299. The reversal of 49983251 is 15238994.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49983251 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49983199 and 49983208.

It is not a weakly prime, because it can be changed into another prime (49983151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24991625 + 24991626.

It is an arithmetic number, because the mean of its divisors is an integer number (24991626).

Almost surely, 2^49983251 is an apocalyptic number.

49983251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49983251 is an equidigital number, since it uses as much as digits as its factorization.

49983251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 41.

The square root of 49983251 is about 7069.8833795191. The cubic root of 49983251 is about 368.3620093742.

The spelling of 49983251 in words is "forty-nine million, nine hundred eighty-three thousand, two hundred fifty-one".