49254421 has 2 divisors, whose sum is σ = 49254422. Its totient is φ = 49254420.

The previous prime is 49254419. The next prime is 49254427. The reversal of 49254421 is 12445294.

49254421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37039396 + 12215025 = 6086^2 + 3495^2 .

It is a cyclic number.

It is not a de Polignac number, because 49254421 - 2¹ = 49254419 is a prime.

Together with 49254419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49254427) 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, 24627210 + 24627211.

It is an arithmetic number, because the mean of its divisors is an integer number (24627211).

Almost surely, 2^49254421 is an apocalyptic number.

It is an amenable number.

49254421 is a deficient number, since it is larger than the sum of its proper divisors (1).

49254421 is an equidigital number, since it uses as much as digits as its factorization.

49254421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 49254421 is about 7018.1493999487. The cubic root of 49254421 is about 366.5628142062.

The spelling of 49254421 in words is "forty-nine million, two hundred fifty-four thousand, four hundred twenty-one".