3523250221 has 8 divisors (see below), whose sum is σ = 3731158080. Its totient is φ = 3315415488.

The previous prime is 3523250219. The next prime is 3523250249. The reversal of 3523250221 is 1220523253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3523250221 - 2¹ = 3523250219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3523250201) 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, 104560 + ... + 134086.

It is an arithmetic number, because the mean of its divisors is an integer number (466394760).

Almost surely, 2^3523250221 is an apocalyptic number.

It is an amenable number.

3523250221 is a deficient number, since it is larger than the sum of its proper divisors (207907859).

3523250221 is a wasteful number, since it uses less digits than its factorization.

3523250221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36563.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3523250221 is about 59356.9728085926. The cubic root of 3523250221 is about 1521.6490386049.

Adding to 3523250221 its reverse (1220523253), we get a palindrome (4743773474).

The spelling of 3523250221 in words is "three billion, five hundred twenty-three million, two hundred fifty thousand, two hundred twenty-one".