4903561 has 4 divisors (see below), whose sum is σ = 5280772. Its totient is φ = 4526352.

The previous prime is 4903553. The next prime is 4903571. The reversal of 4903561 is 1653094.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2013561 + 2890000 = 1419^2 + 1700^2 .

It is a cyclic number.

It is not a de Polignac number, because 4903561 - 2³ = 4903553 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4903571) 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, 188586 + ... + 188611.

It is an arithmetic number, because the mean of its divisors is an integer number (1320193).

Almost surely, 2^4903561 is an apocalyptic number.

It is an amenable number.

4903561 is a deficient number, since it is larger than the sum of its proper divisors (377211).

4903561 is a wasteful number, since it uses less digits than its factorization.

4903561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377210.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 4903561 is about 2214.3985639446. The cubic root of 4903561 is about 169.8910605388.

The spelling of 4903561 in words is "four million, nine hundred three thousand, five hundred sixty-one".