1000251213 has 16 divisors (see below), whose sum is σ = 1439141760. Its totient is φ = 614303424.

The previous prime is 1000251179. The next prime is 1000251223. The reversal of 1000251213 is 3121520001.

It is not a de Polignac number, because 1000251213 - 2⁹ = 1000250701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1000251192 and 1000251201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000251223) 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, 5878 + ... + 45111.

It is an arithmetic number, because the mean of its divisors is an integer number (89946360).

Almost surely, 2^1000251213 is an apocalyptic number.

1000251213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1000251213 is a deficient number, since it is larger than the sum of its proper divisors (438890547).

1000251213 is a wasteful number, since it uses less digits than its factorization.

1000251213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51508.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1000251213 is about 31626.7483785482. The cubic root of 1000251213 is about 1000.0837306556.

Adding to 1000251213 its reverse (3121520001), we get a palindrome (4121771214).

The spelling of 1000251213 in words is "one billion, two hundred fifty-one thousand, two hundred thirteen".