49256245 has 4 divisors (see below), whose sum is σ = 59107500. Its totient is φ = 39404992.

The previous prime is 49256243. The next prime is 49256261. The reversal of 49256245 is 54265294.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16834609 + 32421636 = 4103^2 + 5694^2 .

It is a cyclic number.

It is not a de Polignac number, because 49256245 - 2¹ = 49256243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49256243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4925620 + ... + 4925629.

It is an arithmetic number, because the mean of its divisors is an integer number (14776875).

Almost surely, 2^49256245 is an apocalyptic number.

It is an amenable number.

49256245 is a deficient number, since it is larger than the sum of its proper divisors (9851255).

49256245 is an equidigital number, since it uses as much as digits as its factorization.

49256245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851254.

The product of its digits is 86400, while the sum is 37.

The square root of 49256245 is about 7018.2793475324. The cubic root of 49256245 is about 366.5673390273.

The spelling of 49256245 in words is "forty-nine million, two hundred fifty-six thousand, two hundred forty-five".