49152749 has 2 divisors, whose sum is σ = 49152750. Its totient is φ = 49152748.

The previous prime is 49152743. The next prime is 49152757. The reversal of 49152749 is 94725194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33431524 + 15721225 = 5782^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 49152749 - 2¹² = 49148653 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49152743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24576374 + 24576375.

It is an arithmetic number, because the mean of its divisors is an integer number (24576375).

Almost surely, 2^49152749 is an apocalyptic number.

It is an amenable number.

49152749 is a deficient number, since it is larger than the sum of its proper divisors (1).

49152749 is an equidigital number, since it uses as much as digits as its factorization.

49152749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 49152749 is about 7010.9021530756. The cubic root of 49152749 is about 366.3104182651.

The spelling of 49152749 in words is "forty-nine million, one hundred fifty-two thousand, seven hundred forty-nine".