47151725 has 12 divisors (see below), whose sum is σ = 61010976. Its totient is φ = 36080880.

The previous prime is 47151707. The next prime is 47151733. The reversal of 47151725 is 52715174.

It is a de Polignac number, because none of the positive numbers 2^k-47151725 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47151691 and 47151700.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 40427 + ... + 41576.

It is an arithmetic number, because the mean of its divisors is an integer number (5084248).

Almost surely, 2^47151725 is an apocalyptic number.

It is an amenable number.

47151725 is a deficient number, since it is larger than the sum of its proper divisors (13859251).

47151725 is a wasteful number, since it uses less digits than its factorization.

47151725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82036 (or 82031 counting only the distinct ones).

The product of its digits is 9800, while the sum is 32.

The square root of 47151725 is about 6866.7113671684. The cubic root of 47151725 is about 361.2705236122.

Adding to 47151725 its reverse (52715174), we get a palindrome (99866899).

The spelling of 47151725 in words is "forty-seven million, one hundred fifty-one thousand, seven hundred twenty-five".