3513132421 has 2 divisors, whose sum is σ = 3513132422. Its totient is φ = 3513132420.

The previous prime is 3513132419. The next prime is 3513132463. The reversal of 3513132421 is 1242313153.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3491509921 + 21622500 = 59089^2 + 4650^2 .

It is a cyclic number.

It is not a de Polignac number, because 3513132421 - 2¹ = 3513132419 is a prime.

Together with 3513132419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3513135421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1756566210 + 1756566211.

It is an arithmetic number, because the mean of its divisors is an integer number (1756566211).

Almost surely, 2^3513132421 is an apocalyptic number.

It is an amenable number.

3513132421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3513132421 is an equidigital number, since it uses as much as digits as its factorization.

3513132421 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 3513132421 is about 59271.6831294675. The cubic root of 3513132421 is about 1520.1910570378.

Adding to 3513132421 its reverse (1242313153), we get a palindrome (4755445574).

The spelling of 3513132421 in words is "three billion, five hundred thirteen million, one hundred thirty-two thousand, four hundred twenty-one".