3504256145 has 8 divisors (see below), whose sum is σ = 4528577256. Its totient is φ = 2587758336.

The previous prime is 3504256141. The next prime is 3504256163. The reversal of 3504256145 is 5416524053.

3504256145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57274624 + 3446981521 = 7568^2 + 58711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3504256145 - 2² = 3504256141 is a prime.

It is a super-2 number, since 2×3504256145² = 24559622259540522050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3504256141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26955752 + ... + 26955881.

It is an arithmetic number, because the mean of its divisors is an integer number (566072157).

Almost surely, 2^3504256145 is an apocalyptic number.

It is an amenable number.

3504256145 is a deficient number, since it is larger than the sum of its proper divisors (1024321111).

3504256145 is a wasteful number, since it uses less digits than its factorization.

3504256145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53911651.

The product of its (nonzero) digits is 72000, while the sum is 35.

The square root of 3504256145 is about 59196.7578926414. The cubic root of 3504256145 is about 1518.9096729728.

The spelling of 3504256145 in words is "three billion, five hundred four million, two hundred fifty-six thousand, one hundred forty-five".