49028621 has 2 divisors, whose sum is σ = 49028622. Its totient is φ = 49028620.

The previous prime is 49028611. The next prime is 49028653. The reversal of 49028621 is 12682094.

49028621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (49028653) can be obtained adding 49028621 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48930025 + 98596 = 6995^2 + 314^2 .

It is a cyclic number.

It is not a de Polignac number, because 49028621 - 2¹⁸ = 48766477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49028611) 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, 24514310 + 24514311.

It is an arithmetic number, because the mean of its divisors is an integer number (24514311).

Almost surely, 2^49028621 is an apocalyptic number.

It is an amenable number.

49028621 is a deficient number, since it is larger than the sum of its proper divisors (1).

49028621 is an equidigital number, since it uses as much as digits as its factorization.

49028621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 49028621 is about 7002.0440587017. The cubic root of 49028621 is about 366.0018040661.

The spelling of 49028621 in words is "forty-nine million, twenty-eight thousand, six hundred twenty-one".