49951001 has 2 divisors, whose sum is σ = 49951002. Its totient is φ = 49951000.

The previous prime is 49950959. The next prime is 49951003. The reversal of 49951001 is 10015994.

49951001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32478601 + 17472400 = 5699^2 + 4180^2 .

It is a cyclic number.

It is not a de Polignac number, because 49951001 - 2¹⁴ = 49934617 is a prime.

Together with 49951003, 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 (49951003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24975500 + 24975501.

It is an arithmetic number, because the mean of its divisors is an integer number (24975501).

Almost surely, 2^49951001 is an apocalyptic number.

It is an amenable number.

49951001 is a deficient number, since it is larger than the sum of its proper divisors (1).

49951001 is an equidigital number, since it uses as much as digits as its factorization.

49951001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 49951001 is about 7067.6022100851. The cubic root of 49951001 is about 368.2827679586.

Adding to 49951001 its reverse (10015994), we get a palindrome (59966995).

The spelling of 49951001 in words is "forty-nine million, nine hundred fifty-one thousand, one".