1040322251 has 2 divisors, whose sum is σ = 1040322252. Its totient is φ = 1040322250.

The previous prime is 1040322247. The next prime is 1040322271. The reversal of 1040322251 is 1522230401.

It is an a-pointer prime, because the next prime (1040322271) can be obtained adding 1040322251 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1040322251 - 2² = 1040322247 is a prime.

It is not a weakly prime, because it can be changed into another prime (1040322271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520161125 + 520161126.

It is an arithmetic number, because the mean of its divisors is an integer number (520161126).

Almost surely, 2^1040322251 is an apocalyptic number.

1040322251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040322251 is an equidigital number, since it uses as much as digits as its factorization.

1040322251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1040322251 is about 32254.0268958777. The cubic root of 1040322251 is about 1013.2640377673.

Adding to 1040322251 its reverse (1522230401), we get a palindrome (2562552652).

The spelling of 1040322251 in words is "one billion, forty million, three hundred twenty-two thousand, two hundred fifty-one".