3874531 has 2 divisors, whose sum is σ = 3874532. Its totient is φ = 3874530.

The previous prime is 3874513. The next prime is 3874547. The reversal of 3874531 is 1354783.

Together with previous prime (3874513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3874531 - 2¹⁵ = 3841763 is a prime.

It is a super-2 number, since 2×3874531² = 30023980939922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3874493 and 3874502.

It is not a weakly prime, because it can be changed into another prime (3874501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937265 + 1937266.

It is an arithmetic number, because the mean of its divisors is an integer number (1937266).

Almost surely, 2^3874531 is an apocalyptic number.

3874531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3874531 is an equidigital number, since it uses as much as digits as its factorization.

3874531 is an evil number, because the sum of its binary digits is even.

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

The square root of 3874531 is about 1968.3828387791. The cubic root of 3874531 is about 157.0626955573.

The spelling of 3874531 in words is "three million, eight hundred seventy-four thousand, five hundred thirty-one".