1415028257 has 2 divisors, whose sum is σ = 1415028258. Its totient is φ = 1415028256.

The previous prime is 1415028253. The next prime is 1415028271. The reversal of 1415028257 is 7528205141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1291396096 + 123632161 = 35936^2 + 11119^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415028257 - 2² = 1415028253 is a prime.

It is not a weakly prime, because it can be changed into another prime (1415028253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707514128 + 707514129.

It is an arithmetic number, because the mean of its divisors is an integer number (707514129).

Almost surely, 2^1415028257 is an apocalyptic number.

It is an amenable number.

1415028257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415028257 is an equidigital number, since it uses as much as digits as its factorization.

1415028257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 1415028257 is about 37616.8613390325. The cubic root of 1415028257 is about 1122.6775481179.

The spelling of 1415028257 in words is "one billion, four hundred fifteen million, twenty-eight thousand, two hundred fifty-seven".