47021601 has 16 divisors (see below), whose sum is σ = 68514048. Its totient is φ = 28448400.

The previous prime is 47021593. The next prime is 47021617. The reversal of 47021601 is 10612074.

It is not a de Polignac number, because 47021601 - 2³ = 47021593 is a prime.

It is a super-2 number, since 2×47021601² = 4422061921206402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47021621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29146 + ... + 30716.

It is an arithmetic number, because the mean of its divisors is an integer number (4282128).

Almost surely, 2^47021601 is an apocalyptic number.

It is an amenable number.

47021601 is a deficient number, since it is larger than the sum of its proper divisors (21492447).

47021601 is a wasteful number, since it uses less digits than its factorization.

47021601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 47021601 is about 6857.2298342698. The cubic root of 47021601 is about 360.9378862498.

Adding to 47021601 its reverse (10612074), we get a palindrome (57633675).

The spelling of 47021601 in words is "forty-seven million, twenty-one thousand, six hundred one".