1050531215 has 8 divisors (see below), whose sum is σ = 1260834768. Its totient is φ = 840293440.

The previous prime is 1050531211. The next prime is 1050531217. The reversal of 1050531215 is 5121350501.

It is a happy number.

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

It is not a de Polignac number, because 1050531215 - 2² = 1050531211 is a prime.

It is a super-2 number, since 2×1050531215² = 2207231667378752450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050531211) 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, 31304 + ... + 55506.

It is an arithmetic number, because the mean of its divisors is an integer number (157604346).

Almost surely, 2^1050531215 is an apocalyptic number.

1050531215 is a deficient number, since it is larger than the sum of its proper divisors (210303553).

1050531215 is an equidigital number, since it uses as much as digits as its factorization.

1050531215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32889.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1050531215 is about 32411.8992809740. The cubic root of 1050531215 is about 1016.5677326763.

Adding to 1050531215 its reverse (5121350501), we get a palindrome (6171881716).

The spelling of 1050531215 in words is "one billion, fifty million, five hundred thirty-one thousand, two hundred fifteen".