49075381 has 2 divisors, whose sum is σ = 49075382. Its totient is φ = 49075380.

The previous prime is 49075373. The next prime is 49075391. The reversal of 49075381 is 18357094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48790225 + 285156 = 6985^2 + 534^2 .

It is a cyclic number.

It is not a de Polignac number, because 49075381 - 2³ = 49075373 is a prime.

It is a super-2 number, since 2×49075381² = 4816786040590322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49075381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49075361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24537690 + 24537691.

It is an arithmetic number, because the mean of its divisors is an integer number (24537691).

Almost surely, 2^49075381 is an apocalyptic number.

It is an amenable number.

49075381 is a deficient number, since it is larger than the sum of its proper divisors (1).

49075381 is an equidigital number, since it uses as much as digits as its factorization.

49075381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 49075381 is about 7005.3822879269. The cubic root of 49075381 is about 366.1181225627.

The spelling of 49075381 in words is "forty-nine million, seventy-five thousand, three hundred eighty-one".