3456531 has 24 divisors (see below), whose sum is σ = 5556096. Its totient is φ = 2056320.

The previous prime is 3456517. The next prime is 3456533. The reversal of 3456531 is 1356543.

3456531 is a `hidden beast` number, since 3 + 4 + 5 + 653 + 1 = 666.

It is not a de Polignac number, because 3456531 - 2⁷ = 3456403 is a prime.

It is a super-2 number, since 2×3456531² = 23895213107922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3456495 and 3456504.

It is not an unprimeable number, because it can be changed into a prime (3456533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3151 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (231504).

Almost surely, 2^3456531 is an apocalyptic number.

3456531 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3456531 is a deficient number, since it is larger than the sum of its proper divisors (2099565).

3456531 is a wasteful number, since it uses less digits than its factorization.

3456531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003 (or 1000 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 3456531 is about 1859.1748169551. The cubic root of 3456531 is about 151.1982688556.

It can be divided in two parts, 34565 and 31, that added together give a square (34596 = 186²).

The spelling of 3456531 in words is "three million, four hundred fifty-six thousand, five hundred thirty-one".