1000251152 has 10 divisors (see below), whose sum is σ = 1937986638. Its totient is φ = 500125568.

The previous prime is 1000251137. The next prime is 1000251157. The reversal of 1000251152 is 2511520001.

It can be written as a sum of positive squares in only one way, i.e., 739622416 + 260628736 = 27196^2 + 16144^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000251152.

It is not an unprimeable number, because it can be changed into a prime (1000251157) 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 as a sum of consecutive naturals, namely, 31257833 + ... + 31257864.

Almost surely, 2^1000251152 is an apocalyptic number.

It is an amenable number.

1000251152 is a deficient number, since it is larger than the sum of its proper divisors (937735486).

1000251152 is an equidigital number, since it uses as much as digits as its factorization.

1000251152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62515705 (or 62515699 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1000251152 is about 31626.7474141746. The cubic root of 1000251152 is about 1000.0837103257.

Adding to 1000251152 its reverse (2511520001), we get a palindrome (3511771153).

The spelling of 1000251152 in words is "one billion, two hundred fifty-one thousand, one hundred fifty-two".