1040531251 has 8 divisors (see below), whose sum is σ = 1066338000. Its totient is φ = 1014744960.

The previous prime is 1040531249. The next prime is 1040531299. The reversal of 1040531251 is 1521350401.

It is a happy number.

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 1040531251 - 2¹ = 1040531249 is a prime.

It is a super-3 number, since 3×1040531251³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040531231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174975 + ... + 180823.

It is an arithmetic number, because the mean of its divisors is an integer number (133292250).

Almost surely, 2^1040531251 is an apocalyptic number.

1040531251 is a deficient number, since it is larger than the sum of its proper divisors (25806749).

1040531251 is an equidigital number, since it uses as much as digits as its factorization.

1040531251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10229.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1040531251 is about 32257.2666386971. The cubic root of 1040531251 is about 1013.3318878985.

Adding to 1040531251 its reverse (1521350401), we get a palindrome (2561881652).

The spelling of 1040531251 in words is "one billion, forty million, five hundred thirty-one thousand, two hundred fifty-one".