47611257 has 16 divisors (see below), whose sum is σ = 66436608. Its totient is φ = 30291840.

The previous prime is 47611231. The next prime is 47611261. The reversal of 47611257 is 75211674.

It is not a de Polignac number, because 47611257 - 2¹⁶ = 47545721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47611297) 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 15 ways as a sum of consecutive naturals, for example, 3283 + ... + 10295.

It is an arithmetic number, because the mean of its divisors is an integer number (4152288).

Almost surely, 2^47611257 is an apocalyptic number.

It is an amenable number.

47611257 is a deficient number, since it is larger than the sum of its proper divisors (18825351).

47611257 is a wasteful number, since it uses less digits than its factorization.

47611257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120.

The product of its digits is 11760, while the sum is 33.

The square root of 47611257 is about 6900.0910863553. The cubic root of 47611257 is about 362.4403567350.

The spelling of 47611257 in words is "forty-seven million, six hundred eleven thousand, two hundred fifty-seven".