49028491 has 2 divisors, whose sum is σ = 49028492. Its totient is φ = 49028490.

The previous prime is 49028489. The next prime is 49028503. The reversal of 49028491 is 19482094.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49028491 - 2¹ = 49028489 is a prime.

Together with 49028489, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 49028491.

It is not a weakly prime, because it can be changed into another prime (49028401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24514245 + 24514246.

It is an arithmetic number, because the mean of its divisors is an integer number (24514246).

Almost surely, 2^49028491 is an apocalyptic number.

49028491 is a deficient number, since it is larger than the sum of its proper divisors (1).

49028491 is an equidigital number, since it uses as much as digits as its factorization.

49028491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 49028491 is about 7002.0347756920. The cubic root of 49028491 is about 366.0014805797.

The spelling of 49028491 in words is "forty-nine million, twenty-eight thousand, four hundred ninety-one".