3545235457 has 4 divisors (see below), whose sum is σ = 3550503940. Its totient is φ = 3539966976.

The previous prime is 3545235439. The next prime is 3545235467. The reversal of 3545235457 is 7545325453.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7545325453 = 269 ⋅28049537.

It can be written as a sum of positive squares in 2 ways, for example, as 2750897601 + 794337856 = 52449^2 + 28184^2 .

It is a cyclic number.

It is not a de Polignac number, because 3545235457 - 2⁷ = 3545235329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3545235467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2633232 + ... + 2634577.

It is an arithmetic number, because the mean of its divisors is an integer number (887625985).

It is a Proth number, since it is equal to 3381 ⋅ 2²⁰ + 1 and 3381 < 2²⁰.

Almost surely, 2^3545235457 is an apocalyptic number.

It is an amenable number.

3545235457 is a deficient number, since it is larger than the sum of its proper divisors (5268483).

3545235457 is an equidigital number, since it uses as much as digits as its factorization.

3545235457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268482.

The product of its digits is 1260000, while the sum is 43.

The square root of 3545235457 is about 59541.8798577942. The cubic root of 3545235457 is about 1524.8075302378.

The spelling of 3545235457 in words is "three billion, five hundred forty-five million, two hundred thirty-five thousand, four hundred fifty-seven".