3524424021 has 16 divisors (see below), whose sum is σ = 5448385920. Its totient is φ = 2247458400.

The previous prime is 3524423999. The next prime is 3524424149. The reversal of 3524424021 is 1204244253.

It is not a de Polignac number, because 3524424021 - 2⁷ = 3524423893 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3524424221) 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, 2837080 + ... + 2838321.

It is an arithmetic number, because the mean of its divisors is an integer number (340524120).

Almost surely, 2^3524424021 is an apocalyptic number.

It is an amenable number.

3524424021 is a deficient number, since it is larger than the sum of its proper divisors (1923961899).

3524424021 is a wasteful number, since it uses less digits than its factorization.

3524424021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5675433 (or 5675427 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 3524424021 is about 59366.8596188143. The cubic root of 3524424021 is about 1521.8180031702.

Adding to 3524424021 its reverse (1204244253), we get a palindrome (4728668274).

The spelling of 3524424021 in words is "three billion, five hundred twenty-four million, four hundred twenty-four thousand, twenty-one".