3540500321 has 2 divisors, whose sum is σ = 3540500322. Its totient is φ = 3540500320.

The previous prime is 3540500311. The next prime is 3540500323. The reversal of 3540500321 is 1230050453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2672373025 + 868127296 = 51695^2 + 29464^2 .

It is a cyclic number.

It is not a de Polignac number, because 3540500321 - 2²⁶ = 3473391457 is a prime.

It is a super-2 number, since 2×3540500321² = 25070285046002206082, which contains 22 as substring.

Together with 3540500323, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3540500323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770250160 + 1770250161.

It is an arithmetic number, because the mean of its divisors is an integer number (1770250161).

Almost surely, 2^3540500321 is an apocalyptic number.

It is an amenable number.

3540500321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3540500321 is an equidigital number, since it uses as much as digits as its factorization.

3540500321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 3540500321 is about 59502.1035006326. The cubic root of 3540500321 is about 1524.1283663284.

Adding to 3540500321 its reverse (1230050453), we get a palindrome (4770550774).

The spelling of 3540500321 in words is "three billion, five hundred forty million, five hundred thousand, three hundred twenty-one".