1082378251 has 2 divisors, whose sum is σ = 1082378252. Its totient is φ = 1082378250.

The previous prime is 1082378221. The next prime is 1082378267. The reversal of 1082378251 is 1528732801.

It is a strong prime.

It is an emirp because it is prime and its reverse (1528732801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1082378251 - 2⁷ = 1082378123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1082378251.

It is not a weakly prime, because it can be changed into another prime (1082378221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541189125 + 541189126.

It is an arithmetic number, because the mean of its divisors is an integer number (541189126).

Almost surely, 2^1082378251 is an apocalyptic number.

1082378251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1082378251 is an equidigital number, since it uses as much as digits as its factorization.

1082378251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 1082378251 is about 32899.5174888630. The cubic root of 1082378251 is about 1026.7381181063.

The spelling of 1082378251 in words is "one billion, eighty-two million, three hundred seventy-eight thousand, two hundred fifty-one".