49045261 has 4 divisors (see below), whose sum is σ = 49089024. Its totient is φ = 49001500.

The previous prime is 49045247. The next prime is 49045279. The reversal of 49045261 is 16254094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49045261 - 2⁷ = 49045133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49045211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20155 + ... + 22456.

It is an arithmetic number, because the mean of its divisors is an integer number (12272256).

Almost surely, 2^49045261 is an apocalyptic number.

It is an amenable number.

49045261 is a deficient number, since it is larger than the sum of its proper divisors (43763).

49045261 is a wasteful number, since it uses less digits than its factorization.

49045261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43762.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 49045261 is about 7003.2321823569. The cubic root of 49045261 is about 366.0432056055.

The spelling of 49045261 in words is "forty-nine million, forty-five thousand, two hundred sixty-one".