47254477 has 4 divisors (see below), whose sum is σ = 47395036. Its totient is φ = 47113920.

The previous prime is 47254469. The next prime is 47254507. The reversal of 47254477 is 77445274.

47254477 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 12432676 + 34821801 = 3526^2 + 5901^2 .

It is a cyclic number.

It is not a de Polignac number, because 47254477 - 2³ = 47254469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47204477) 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, 69774 + ... + 70447.

It is an arithmetic number, because the mean of its divisors is an integer number (11848759).

Almost surely, 2^47254477 is an apocalyptic number.

It is an amenable number.

47254477 is a deficient number, since it is larger than the sum of its proper divisors (140559).

47254477 is a wasteful number, since it uses less digits than its factorization.

47254477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140558.

The product of its digits is 219520, while the sum is 40.

The square root of 47254477 is about 6874.1891885516. The cubic root of 47254477 is about 361.5327574741.

The spelling of 47254477 in words is "forty-seven million, two hundred fifty-four thousand, four hundred seventy-seven".