5425024221 has 8 divisors (see below), whose sum is σ = 8037072960. Its totient is φ = 3616682796.

The previous prime is 5425024177. The next prime is 5425024223. The reversal of 5425024221 is 1224205245.

It is not a de Polignac number, because 5425024221 - 2²³ = 5416635613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 200926823 = 5425024221 / (5 + 4 + 2 + 5 + 0 + 2 + 4 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5425024223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100463385 + ... + 100463438.

It is an arithmetic number, because the mean of its divisors is an integer number (1004634120).

Almost surely, 2^5425024221 is an apocalyptic number.

It is an amenable number.

5425024221 is a deficient number, since it is larger than the sum of its proper divisors (2612048739).

5425024221 is a wasteful number, since it uses less digits than its factorization.

5425024221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200926832 (or 200926826 counting only the distinct ones).

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

The square root of 5425024221 is about 73654.7637359594. The cubic root of 5425024221 is about 1757.1165143412.

Adding to 5425024221 its reverse (1224205245), we get a palindrome (6649229466).

It can be divided in two parts, 5425024 and 221, that added together give a palindrome (5425245).

The spelling of 5425024221 in words is "five billion, four hundred twenty-five million, twenty-four thousand, two hundred twenty-one".