3523132421 has 2 divisors, whose sum is σ = 3523132422. Its totient is φ = 3523132420.

The previous prime is 3523132339. The next prime is 3523132439. The reversal of 3523132421 is 1242313253.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2095350625 + 1427781796 = 45775^2 + 37786^2 .

It is a cyclic number.

It is not a de Polignac number, because 3523132421 - 2¹⁰ = 3523131397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3523132451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1761566210 + 1761566211.

It is an arithmetic number, because the mean of its divisors is an integer number (1761566211).

Almost surely, 2^3523132421 is an apocalyptic number.

It is an amenable number.

3523132421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3523132421 is an equidigital number, since it uses as much as digits as its factorization.

3523132421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 26.

The square root of 3523132421 is about 59355.9804990196. The cubic root of 3523132421 is about 1521.6320796188.

Adding to 3523132421 its reverse (1242313253), we get a palindrome (4765445674).

The spelling of 3523132421 in words is "three billion, five hundred twenty-three million, one hundred thirty-two thousand, four hundred twenty-one".