3457552121 has 2 divisors, whose sum is σ = 3457552122. Its totient is φ = 3457552120.

The previous prime is 3457552117. The next prime is 3457552129. The reversal of 3457552121 is 1212557543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242049721 + 215502400 = 56939^2 + 14680^2 .

It is an emirp because it is prime and its reverse (1212557543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3457552121 - 2² = 3457552117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3457552129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1728776060 + 1728776061.

It is an arithmetic number, because the mean of its divisors is an integer number (1728776061).

Almost surely, 2^3457552121 is an apocalyptic number.

It is an amenable number.

3457552121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3457552121 is an equidigital number, since it uses as much as digits as its factorization.

3457552121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 35.

The square root of 3457552121 is about 58800.9534021346. The cubic root of 3457552121 is about 1512.1315627953.

The spelling of 3457552121 in words is "three billion, four hundred fifty-seven million, five hundred fifty-two thousand, one hundred twenty-one".