49103491 has 2 divisors, whose sum is σ = 49103492. Its totient is φ = 49103490.

The previous prime is 49103489. The next prime is 49103521. The reversal of 49103491 is 19430194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49103491 - 2¹ = 49103489 is a prime.

It is a super-2 number, since 2×49103491² = 4822305656774162, which contains 22 as substring.

Together with 49103489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49103441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24551745 + 24551746.

It is an arithmetic number, because the mean of its divisors is an integer number (24551746).

Almost surely, 2^49103491 is an apocalyptic number.

49103491 is a deficient number, since it is larger than the sum of its proper divisors (1).

49103491 is an equidigital number, since it uses as much as digits as its factorization.

49103491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49103491 is about 7007.3883151999. The cubic root of 49103491 is about 366.1880124332.

It can be divided in two parts, 49103 and 491, that added together give a palindrome (49594).

The spelling of 49103491 in words is "forty-nine million, one hundred three thousand, four hundred ninety-one".