3841531 has 2 divisors, whose sum is σ = 3841532. Its totient is φ = 3841530.

The previous prime is 3841517. The next prime is 3841559. The reversal of 3841531 is 1351483.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3841531 - 2⁵ = 3841499 is a prime.

It is a super-2 number, since 2×3841531² = 29514720847922, which contains 22 as substring.

3841531 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 3841496 and 3841505.

It is not a weakly prime, because it can be changed into another prime (3841561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1920765 + 1920766.

It is an arithmetic number, because the mean of its divisors is an integer number (1920766).

Almost surely, 2^3841531 is an apocalyptic number.

3841531 is a deficient number, since it is larger than the sum of its proper divisors (1).

3841531 is an equidigital number, since it uses as much as digits as its factorization.

3841531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 3841531 is about 1959.9823978801. The cubic root of 3841531 is about 156.6155142092.

The spelling of 3841531 in words is "three million, eight hundred forty-one thousand, five hundred thirty-one".