3878522533 has 2 divisors, whose sum is σ = 3878522534. Its totient is φ = 3878522532.

The previous prime is 3878522491. The next prime is 3878522581. The reversal of 3878522533 is 3352258783.

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., 3770819649 + 107702884 = 61407^2 + 10378^2 .

It is a cyclic number.

It is not a de Polignac number, because 3878522533 - 2²¹ = 3876425381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3878522833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1939261266 + 1939261267.

It is an arithmetic number, because the mean of its divisors is an integer number (1939261267).

Almost surely, 2^3878522533 is an apocalyptic number.

It is an amenable number.

3878522533 is a deficient number, since it is larger than the sum of its proper divisors (1).

3878522533 is an equidigital number, since it uses as much as digits as its factorization.

3878522533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The square root of 3878522533 is about 62277.7852287636. The cubic root of 3878522533 is about 1571.1661225688.

The spelling of 3878522533 in words is "three billion, eight hundred seventy-eight million, five hundred twenty-two thousand, five hundred thirty-three".