49145651 has 2 divisors, whose sum is σ = 49145652. Its totient is φ = 49145650.

The previous prime is 49145627. The next prime is 49145653. The reversal of 49145651 is 15654194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49145651 - 2⁶ = 49145587 is a prime.

Together with 49145653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49145653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24572825 + 24572826.

It is an arithmetic number, because the mean of its divisors is an integer number (24572826).

Almost surely, 2^49145651 is an apocalyptic number.

49145651 is a deficient number, since it is larger than the sum of its proper divisors (1).

49145651 is an equidigital number, since it uses as much as digits as its factorization.

49145651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The square root of 49145651 is about 7010.3959231986. The cubic root of 49145651 is about 366.2927848226.

The spelling of 49145651 in words is "forty-nine million, one hundred forty-five thousand, six hundred fifty-one".