47025257 has 4 divisors (see below), whose sum is σ = 47912580. Its totient is φ = 46137936.

The previous prime is 47025221. The next prime is 47025263. The reversal of 47025257 is 75252074.

47025257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 20286016 + 26739241 = 4504^2 + 5171^2 .

It is a cyclic number.

It is not a de Polignac number, because 47025257 - 2⁶ = 47025193 is a prime.

It is a super-2 number, since 2×47025257² = 4422749591832098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47025287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443582 + ... + 443687.

It is an arithmetic number, because the mean of its divisors is an integer number (11978145).

Almost surely, 2^47025257 is an apocalyptic number.

It is an amenable number.

47025257 is a deficient number, since it is larger than the sum of its proper divisors (887323).

47025257 is an equidigital number, since it uses as much as digits as its factorization.

47025257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887322.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 47025257 is about 6857.4964090403. The cubic root of 47025257 is about 360.9472404947.

The spelling of 47025257 in words is "forty-seven million, twenty-five thousand, two hundred fifty-seven".