1045540531 has 8 divisors (see below), whose sum is σ = 1257793280. Its totient is φ = 849010248.

The previous prime is 1045540501. The next prime is 1045540541. The reversal of 1045540531 is 1350455401.

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 1045540531 - 2⁵ = 1045540499 is a prime.

It is a super-2 number, since 2×1045540531² = 2186310003927523922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1045540531.

It is not an unprimeable number, because it can be changed into a prime (1045540501) 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, 3930471 + ... + 3930736.

It is an arithmetic number, because the mean of its divisors is an integer number (157224160).

Almost surely, 2^1045540531 is an apocalyptic number.

1045540531 is a deficient number, since it is larger than the sum of its proper divisors (212252749).

1045540531 is an equidigital number, since it uses as much as digits as its factorization.

1045540531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861233.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1045540531 is about 32334.8191737638. The cubic root of 1045540531 is about 1014.9553980741.

Adding to 1045540531 its reverse (1350455401), we get a palindrome (2395995932).

The spelling of 1045540531 in words is "one billion, forty-five million, five hundred forty thousand, five hundred thirty-one".