3457531 has 16 divisors (see below), whose sum is σ = 4370688. Its totient is φ = 2656800.

The previous prime is 3457513. The next prime is 3457537. The reversal of 3457531 is 1357543.

It is a 5-Lehmer number, since φ(3457531) divides (3457531-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 3457531 - 2⁷ = 3457403 is a prime.

It is a super-2 number, since 2×3457531² = 23909041231922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3457531.

It is not an unprimeable number, because it can be changed into a prime (3457537) 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 in 15 ways as a sum of consecutive naturals, for example, 6121 + ... + 6661.

It is an arithmetic number, because the mean of its divisors is an integer number (273168).

Almost surely, 2^3457531 is an apocalyptic number.

3457531 is a deficient number, since it is larger than the sum of its proper divisors (913157).

3457531 is a wasteful number, since it uses less digits than its factorization.

3457531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its digits is 6300, while the sum is 28.

The square root of 3457531 is about 1859.4437340237. The cubic root of 3457531 is about 151.2128483758.

The spelling of 3457531 in words is "three million, four hundred fifty-seven thousand, five hundred thirty-one".