4578913 has 2 divisors, whose sum is σ = 4578914. Its totient is φ = 4578912.

The previous prime is 4578907. The next prime is 4578923. The reversal of 4578913 is 3198754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4545424 + 33489 = 2132^2 + 183^2 .

It is a cyclic number.

It is not a de Polignac number, because 4578913 - 2¹⁷ = 4447841 is a prime.

4578913 is a lucky number.

It is a nialpdrome in base 13.

It is not a weakly prime, because it can be changed into another prime (4578923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2289456 + 2289457.

It is an arithmetic number, because the mean of its divisors is an integer number (2289457).

Almost surely, 2^4578913 is an apocalyptic number.

It is an amenable number.

4578913 is a deficient number, since it is larger than the sum of its proper divisors (1).

4578913 is an equidigital number, since it uses as much as digits as its factorization.

4578913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 4578913 is about 2139.8394799611. The cubic root of 4578913 is about 166.0558311257.

It can be divided in two parts, 4578 and 913, that multiplied together give a palindrome (4179714).

The spelling of 4578913 in words is "four million, five hundred seventy-eight thousand, nine hundred thirteen".