47135425 has 12 divisors (see below), whose sum is σ = 58756780. Its totient is φ = 37509120.

The previous prime is 47135401. The next prime is 47135449. The reversal of 47135425 is 52453174.

It is an interprime number because it is at equal distance from previous prime (47135401) and next prime (47135449).

It can be written as a sum of positive squares in 6 ways, for example, as 5764801 + 41370624 = 2401^2 + 6432^2 .

It is not a de Polignac number, because 47135425 - 2²³ = 38746817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60 + ... + 9709.

Almost surely, 2^47135425 is an apocalyptic number.

It is an amenable number.

47135425 is a deficient number, since it is larger than the sum of its proper divisors (11621355).

47135425 is a wasteful number, since it uses less digits than its factorization.

47135425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9972 (or 9967 counting only the distinct ones).

The product of its digits is 16800, while the sum is 31.

The square root of 47135425 is about 6865.5243790988. The cubic root of 47135425 is about 361.2288893049.

Adding to 47135425 its reverse (52453174), we get a palindrome (99588599).

The spelling of 47135425 in words is "forty-seven million, one hundred thirty-five thousand, four hundred twenty-five".