4621545 has 12 divisors (see below), whose sum is σ = 8010756. Its totient is φ = 2464800.

The previous prime is 4621537. The next prime is 4621571. The reversal of 4621545 is 5451264.

It can be written as a sum of positive squares in 2 ways, for example, as 2178576 + 2442969 = 1476^2 + 1563^2 .

It is not a de Polignac number, because 4621545 - 2³ = 4621537 is a prime.

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, 51306 + ... + 51395.

It is an arithmetic number, because the mean of its divisors is an integer number (667563).

Almost surely, 2^4621545 is an apocalyptic number.

4621545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4621545 is a deficient number, since it is larger than the sum of its proper divisors (3389211).

4621545 is a wasteful number, since it uses less digits than its factorization.

4621545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102712 (or 102709 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4621545 is about 2149.7778955046. Note that the first 3 decimals coincide. The cubic root of 4621545 is about 166.5695945842.

The spelling of 4621545 in words is "four million, six hundred twenty-one thousand, five hundred forty-five".