49013537 has 2 divisors, whose sum is σ = 49013538. Its totient is φ = 49013536.

The previous prime is 49013513. The next prime is 49013539. The reversal of 49013537 is 73531094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44102881 + 4910656 = 6641^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 49013537 - 2⁶ = 49013473 is a prime.

Together with 49013539, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49013539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24506768 + 24506769.

It is an arithmetic number, because the mean of its divisors is an integer number (24506769).

Almost surely, 2^49013537 is an apocalyptic number.

It is an amenable number.

49013537 is a deficient number, since it is larger than the sum of its proper divisors (1).

49013537 is an equidigital number, since it uses as much as digits as its factorization.

49013537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 49013537 is about 7000.9668617984. The cubic root of 49013537 is about 365.9642658733.

The spelling of 49013537 in words is "forty-nine million, thirteen thousand, five hundred thirty-seven".