3874513 has 2 divisors, whose sum is σ = 3874514. Its totient is φ = 3874512.

The previous prime is 3874501. The next prime is 3874531. The reversal of 3874513 is 3154783.

Together with next prime (3874531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3579664 + 294849 = 1892^2 + 543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3874513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3874573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937256 + 1937257.

It is an arithmetic number, because the mean of its divisors is an integer number (1937257).

Almost surely, 2^3874513 is an apocalyptic number.

It is an amenable number.

3874513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874513 is an equidigital number, since it uses as much as digits as its factorization.

3874513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 31.

The square root of 3874513 is about 1968.3782664925. The cubic root of 3874513 is about 157.0624523337.

It can be divided in two parts, 387 and 4513, that added together give a square (4900 = 70²).

The spelling of 3874513 in words is "three million, eight hundred seventy-four thousand, five hundred thirteen".