1000251490 has 16 divisors (see below), whose sum is σ = 2057660352. Its totient is φ = 342943344.

The previous prime is 1000251481. The next prime is 1000251503. The reversal of 1000251490 is 941520001.

1000251490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144584 + ... + 7144723.

It is an arithmetic number, because the mean of its divisors is an integer number (128603772).

Almost surely, 2^1000251490 is an apocalyptic number.

1000251490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000251490 is an abundant number, since it is smaller than the sum of its proper divisors (1057408862).

1000251490 is a wasteful number, since it uses less digits than its factorization.

1000251490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14289321.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1000251490 is about 31626.7527577524. The cubic root of 1000251490 is about 1000.0838229735.

Adding to 1000251490 its reverse (941520001), we get a palindrome (1941771491).

The spelling of 1000251490 in words is "one billion, two hundred fifty-one thousand, four hundred ninety".