1062666251 has 2 divisors, whose sum is σ = 1062666252. Its totient is φ = 1062666250.

The previous prime is 1062666247. The next prime is 1062666281. The reversal of 1062666251 is 1526662601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1062666251 - 2² = 1062666247 is a prime.

It is a super-2 number, since 2×1062666251² = 2258519122028790002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1062666221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531333125 + 531333126.

It is an arithmetic number, because the mean of its divisors is an integer number (531333126).

Almost surely, 2^1062666251 is an apocalyptic number.

1062666251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1062666251 is an equidigital number, since it uses as much as digits as its factorization.

1062666251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1062666251 is about 32598.5621001909. The cubic root of 1062666251 is about 1020.4669946050.

The spelling of 1062666251 in words is "one billion, sixty-two million, six hundred sixty-six thousand, two hundred fifty-one".