1005352251 has 16 divisors (see below), whose sum is σ = 1387637760. Its totient is φ = 646682400.

The previous prime is 1005352237. The next prime is 1005352259. The reversal of 1005352251 is 1522535001.

It is a happy number.

It is not a de Polignac number, because 1005352251 - 2²² = 1001157947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1005352259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166776 + ... + 172698.

It is an arithmetic number, because the mean of its divisors is an integer number (86727360).

Almost surely, 2^1005352251 is an apocalyptic number.

1005352251 is a deficient number, since it is larger than the sum of its proper divisors (382285509).

1005352251 is a wasteful number, since it uses less digits than its factorization.

1005352251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 1005352251 is about 31707.2901869586. The cubic root of 1005352251 is about 1001.7809101429.

Adding to 1005352251 its reverse (1522535001), we get a palindrome (2527887252).

The spelling of 1005352251 in words is "one billion, five million, three hundred fifty-two thousand, two hundred fifty-one".