47253457 has 4 divisors (see below), whose sum is σ = 47428096. Its totient is φ = 47078820.

The previous prime is 47253449. The next prime is 47253469. The reversal of 47253457 is 75435274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47253457 - 2³ = 47253449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47253257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86913 + ... + 87454.

It is an arithmetic number, because the mean of its divisors is an integer number (11857024).

Almost surely, 2^47253457 is an apocalyptic number.

It is an amenable number.

47253457 is a deficient number, since it is larger than the sum of its proper divisors (174639).

47253457 is a wasteful number, since it uses less digits than its factorization.

47253457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174638.

The product of its digits is 117600, while the sum is 37.

The square root of 47253457 is about 6874.1149975833. The cubic root of 47253457 is about 361.5301561963.

The spelling of 47253457 in words is "forty-seven million, two hundred fifty-three thousand, four hundred fifty-seven".