48209257 has 2 divisors, whose sum is σ = 48209258. Its totient is φ = 48209256.

The previous prime is 48209243. The next prime is 48209299. The reversal of 48209257 is 75290284.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48149721 + 59536 = 6939^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 48209257 - 2¹⁵ = 48176489 is a prime.

It is not a weakly prime, because it can be changed into another prime (48209207) 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 as a sum of consecutive naturals, namely, 24104628 + 24104629.

It is an arithmetic number, because the mean of its divisors is an integer number (24104629).

Almost surely, 2^48209257 is an apocalyptic number.

It is an amenable number.

48209257 is a deficient number, since it is larger than the sum of its proper divisors (1).

48209257 is an equidigital number, since it uses as much as digits as its factorization.

48209257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 48209257 is about 6943.2886300369. The cubic root of 48209257 is about 363.9514713109.

The spelling of 48209257 in words is "forty-eight million, two hundred nine thousand, two hundred fifty-seven".