4012531 has 8 divisors (see below), whose sum is σ = 4170240. Its totient is φ = 3857928.

The previous prime is 4012507. The next prime is 4012537. The reversal of 4012531 is 1352104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4012531 - 2⁵ = 4012499 is a prime.

It is a super-2 number, since 2×4012531² = 32200810051922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4012537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050 + ... + 3496.

It is an arithmetic number, because the mean of its divisors is an integer number (521280).

Almost surely, 2^4012531 is an apocalyptic number.

4012531 is a deficient number, since it is larger than the sum of its proper divisors (157709).

4012531 is a wasteful number, since it uses less digits than its factorization.

4012531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4012531 is about 2003.1303003050. The cubic root of 4012531 is about 158.9056967529.

Adding to 4012531 its reverse (1352104), we get a palindrome (5364635).

The spelling of 4012531 in words is "four million, twelve thousand, five hundred thirty-one".