47857425 has 48 divisors (see below), whose sum is σ = 98660352. Its totient is φ = 19886400.

The previous prime is 47857423. The next prime is 47857427. The reversal of 47857425 is 52475874.

It is an interprime number because it is at equal distance from previous prime (47857423) and next prime (47857427).

It is not a de Polignac number, because 47857425 - 2¹ = 47857423 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47857423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1632 + ... + 9918.

It is an arithmetic number, because the mean of its divisors is an integer number (2055424).

Almost surely, 2^47857425 is an apocalyptic number.

It is an amenable number.

47857425 is an abundant number, since it is smaller than the sum of its proper divisors (50802927).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47857425 is a wasteful number, since it uses less digits than its factorization.

47857425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318 (or 8313 counting only the distinct ones).

The product of its digits is 313600, while the sum is 42.

The square root of 47857425 is about 6917.9061138469. The cubic root of 47857425 is about 363.0639339764.

The spelling of 47857425 in words is "forty-seven million, eight hundred fifty-seven thousand, four hundred twenty-five".