44525421 has 6 divisors (see below), whose sum is σ = 64314510. Its totient is φ = 29683608.

The previous prime is 44525413. The next prime is 44525423. The reversal of 44525421 is 12452544.

It can be written as a sum of positive squares in only one way, i.e., 37822500 + 6702921 = 6150^2 + 2589^2 .

It is not a de Polignac number, because 44525421 - 2³ = 44525413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44525423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2473626 + ... + 2473643.

It is an arithmetic number, because the mean of its divisors is an integer number (10719085).

Almost surely, 2^44525421 is an apocalyptic number.

It is an amenable number.

44525421 is a deficient number, since it is larger than the sum of its proper divisors (19789089).

44525421 is a wasteful number, since it uses less digits than its factorization.

44525421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947275 (or 4947272 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 44525421 is about 6672.7371445307. The cubic root of 44525421 is about 354.4345186184.

Adding to 44525421 its reverse (12452544), we get a palindrome (56977965).

The spelling of 44525421 in words is "forty-four million, five hundred twenty-five thousand, four hundred twenty-one".