49651001 has 2 divisors, whose sum is σ = 49651002. Its totient is φ = 49651000.

The previous prime is 49650989. The next prime is 49651013. The reversal of 49651001 is 10015694.

It is a balanced prime because it is at equal distance from previous prime (49650989) and next prime (49651013).

It can be written as a sum of positive squares in only one way, i.e., 49561600 + 89401 = 7040^2 + 299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49651001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49651051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24825500 + 24825501.

It is an arithmetic number, because the mean of its divisors is an integer number (24825501).

Almost surely, 2^49651001 is an apocalyptic number.

It is an amenable number.

49651001 is a deficient number, since it is larger than the sum of its proper divisors (1).

49651001 is an equidigital number, since it uses as much as digits as its factorization.

49651001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 49651001 is about 7046.3466420550. The cubic root of 49651001 is about 367.5439989278.

Adding to 49651001 its reverse (10015694), we get a palindrome (59666695).

The spelling of 49651001 in words is "forty-nine million, six hundred fifty-one thousand, one".