49204251 has 12 divisors (see below), whose sum is σ = 71134128. Its totient is φ = 32774544.

The previous prime is 49204237. The next prime is 49204261. The reversal of 49204251 is 15240294.

It is not a de Polignac number, because 49204251 - 2⁵ = 49204219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49204231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17146 + ... + 19808.

It is an arithmetic number, because the mean of its divisors is an integer number (5927844).

Almost surely, 2^49204251 is an apocalyptic number.

49204251 is a deficient number, since it is larger than the sum of its proper divisors (21929877).

49204251 is a wasteful number, since it uses less digits than its factorization.

49204251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4722 (or 4719 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 49204251 is about 7014.5741852232. The cubic root of 49204251 is about 366.4383130031.

It can be divided in two parts, 49204 and 251, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 49204251 in words is "forty-nine million, two hundred four thousand, two hundred fifty-one".