4015493 has 2 divisors, whose sum is σ = 4015494. Its totient is φ = 4015492.

The previous prime is 4015489. The next prime is 4015513. The reversal of 4015493 is 3945104.

4015493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 1249924 = 1663^2 + 1118^2 .

It is a cyclic number.

It is not a de Polignac number, because 4015493 - 2² = 4015489 is a prime.

It is a super-2 number, since 2×4015493² = 32248368066098, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4015463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007746 + 2007747.

It is an arithmetic number, because the mean of its divisors is an integer number (2007747).

Almost surely, 2^4015493 is an apocalyptic number.

It is an amenable number.

4015493 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015493 is an equidigital number, since it uses as much as digits as its factorization.

4015493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 4015493 is about 2003.8695067294. The cubic root of 4015493 is about 158.9447878656.

The spelling of 4015493 in words is "four million, fifteen thousand, four hundred ninety-three".