47138025 has 48 divisors (see below), whose sum is σ = 90047808. Its totient is φ = 21504000.

The previous prime is 47138009. The next prime is 47138057. The reversal of 47138025 is 52083174.

It is not a de Polignac number, because 47138025 - 2⁴ = 47138009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47137983 and 47138001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12345 + ... + 15705.

It is an arithmetic number, because the mean of its divisors is an integer number (1875996).

Almost surely, 2^47138025 is an apocalyptic number.

It is an amenable number.

47138025 is a deficient number, since it is larger than the sum of its proper divisors (42909783).

47138025 is a wasteful number, since it uses less digits than its factorization.

47138025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3402 (or 3397 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 47138025 is about 6865.7137283752. The cubic root of 47138025 is about 361.2355310034.

The spelling of 47138025 in words is "forty-seven million, one hundred thirty-eight thousand, twenty-five".