3506025689 has 2 divisors, whose sum is σ = 3506025690. Its totient is φ = 3506025688.

The previous prime is 3506025641. The next prime is 3506025697. The reversal of 3506025689 is 9865206053.

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., 3078363289 + 427662400 = 55483^2 + 20680^2 .

It is an emirp because it is prime and its reverse (9865206053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3506025689 - 2⁸ = 3506025433 is a prime.

It is a super-2 number, since 2×3506025689² = 24584432263855849442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3506025629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753012844 + 1753012845.

It is an arithmetic number, because the mean of its divisors is an integer number (1753012845).

Almost surely, 2^3506025689 is an apocalyptic number.

It is an amenable number.

3506025689 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506025689 is an equidigital number, since it uses as much as digits as its factorization.

3506025689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 3506025689 is about 59211.7022977722. The cubic root of 3506025689 is about 1519.1652978566.

The spelling of 3506025689 in words is "three billion, five hundred six million, twenty-five thousand, six hundred eighty-nine".