3545264421 has 6 divisors (see below), whose sum is σ = 5120937510. Its totient is φ = 2363509608.

The previous prime is 3545264419. The next prime is 3545264423. The reversal of 3545264421 is 1244625453.

3545264421 is a `hidden beast` number, since 3 + 5 + 4 + 5 + 2 + 644 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (3545264419) and next prime (3545264423).

It can be written as a sum of positive squares in only one way, i.e., 3382701921 + 162562500 = 58161^2 + 12750^2 .

It is not a de Polignac number, because 3545264421 - 2¹ = 3545264419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3545264423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 196959126 + ... + 196959143.

It is an arithmetic number, because the mean of its divisors is an integer number (853489585).

Almost surely, 2^3545264421 is an apocalyptic number.

It is an amenable number.

3545264421 is a deficient number, since it is larger than the sum of its proper divisors (1575673089).

3545264421 is a wasteful number, since it uses less digits than its factorization.

3545264421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393918275 (or 393918272 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 3545264421 is about 59542.1230810592. The cubic root of 3545264421 is about 1524.8116827034.

Adding to 3545264421 its reverse (1244625453), we get a palindrome (4789889874).

The spelling of 3545264421 in words is "three billion, five hundred forty-five million, two hundred sixty-four thousand, four hundred twenty-one".