49374821 has 2 divisors, whose sum is σ = 49374822. Its totient is φ = 49374820.

The previous prime is 49374781. The next prime is 49374827. The reversal of 49374821 is 12847394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47761921 + 1612900 = 6911^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 49374821 - 2⁶ = 49374757 is a prime.

It is a Chen prime.

It is equal to p_2965718 and since 49374821 and 2965718 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49374827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24687410 + 24687411.

It is an arithmetic number, because the mean of its divisors is an integer number (24687411).

Almost surely, 2^49374821 is an apocalyptic number.

It is an amenable number.

49374821 is a deficient number, since it is larger than the sum of its proper divisors (1).

49374821 is an equidigital number, since it uses as much as digits as its factorization.

49374821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 49374821 is about 7026.7219241977. The cubic root of 49374821 is about 366.8612527317.

The spelling of 49374821 in words is "forty-nine million, three hundred seventy-four thousand, eight hundred twenty-one".