4260545 has 12 divisors (see below), whose sum is σ = 5220540. Its totient is φ = 3337920.

The previous prime is 4260527. The next prime is 4260551. The reversal of 4260545 is 5450624.

It can be written as a sum of positive squares in 6 ways, for example, as 692224 + 3568321 = 832^2 + 1889^2 .

It is not a de Polignac number, because 4260545 - 2⁶ = 4260481 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18491 + ... + 18719.

It is an arithmetic number, because the mean of its divisors is an integer number (435045).

Almost surely, 2^4260545 is an apocalyptic number.

It is an amenable number.

4260545 is a deficient number, since it is larger than the sum of its proper divisors (959995).

4260545 is an equidigital number, since it uses as much as digits as its factorization.

4260545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4260545 is about 2064.1087665140. The cubic root of 4260545 is about 162.1144468936.

Multiplying 4260545 by its sum of digits (26), we get a triangular number (110774170 = T₁₄₈₈₄).

The spelling of 4260545 in words is "four million, two hundred sixty thousand, five hundred forty-five".