49065251 has 2 divisors, whose sum is σ = 49065252. Its totient is φ = 49065250.

The previous prime is 49065223. The next prime is 49065257. The reversal of 49065251 is 15256094.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49065251 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49065257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24532625 + 24532626.

It is an arithmetic number, because the mean of its divisors is an integer number (24532626).

Almost surely, 2^49065251 is an apocalyptic number.

49065251 is a deficient number, since it is larger than the sum of its proper divisors (1).

49065251 is an equidigital number, since it uses as much as digits as its factorization.

49065251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 49065251 is about 7004.6592351092. The cubic root of 49065251 is about 366.0929298101.

The spelling of 49065251 in words is "forty-nine million, sixty-five thousand, two hundred fifty-one".