49252813 has 2 divisors, whose sum is σ = 49252814. Its totient is φ = 49252812.

The previous prime is 49252811. The next prime is 49252829. The reversal of 49252813 is 31825294.

49252813 = 4962² + 4963².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24631369 + 24621444 = 4963^2 + 4962^2 .

It is a cyclic number.

It is not a de Polignac number, because 49252813 - 2¹ = 49252811 is a prime.

Together with 49252811, 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 (49252811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24626406 + 24626407.

It is an arithmetic number, because the mean of its divisors is an integer number (24626407).

Almost surely, 2^49252813 is an apocalyptic number.

49252813 is the 4963-rd centered square number.

It is an amenable number.

49252813 is a deficient number, since it is larger than the sum of its proper divisors (1).

49252813 is an equidigital number, since it uses as much as digits as its factorization.

49252813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 34.

The square root of 49252813 is about 7018.0348388990. The cubic root of 49252813 is about 366.5588251266.

The spelling of 49252813 in words is "forty-nine million, two hundred fifty-two thousand, eight hundred thirteen".