1000980251 has 2 divisors, whose sum is σ = 1000980252. Its totient is φ = 1000980250.

The previous prime is 1000980199. The next prime is 1000980257. The reversal of 1000980251 is 1520890001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000980251 is a prime.

It is a super-2 number, since 2×1000980251² = 2003922925784046002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1000980251.

It is not a weakly prime, because it can be changed into another prime (1000980257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500490125 + 500490126.

It is an arithmetic number, because the mean of its divisors is an integer number (500490126).

Almost surely, 2^1000980251 is an apocalyptic number.

1000980251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000980251 is an equidigital number, since it uses as much as digits as its factorization.

1000980251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1000980251 is about 31638.2719344783. The cubic root of 1000980251 is about 1000.3266436257.

The spelling of 1000980251 in words is "one billion, nine hundred eighty thousand, two hundred fifty-one".