1541257259 has 2 divisors, whose sum is σ = 1541257260. Its totient is φ = 1541257258.

The previous prime is 1541257187. The next prime is 1541257271. The reversal of 1541257259 is 9527521451.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1541257259 - 2¹² = 1541253163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1541257559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 770628629 + 770628630.

It is an arithmetic number, because the mean of its divisors is an integer number (770628630).

Almost surely, 2^1541257259 is an apocalyptic number.

1541257259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1541257259 is an equidigital number, since it uses as much as digits as its factorization.

1541257259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 41.

The square root of 1541257259 is about 39258.8494355094. The cubic root of 1541257259 is about 1155.1145252279.

The spelling of 1541257259 in words is "one billion, five hundred forty-one million, two hundred fifty-seven thousand, two hundred fifty-nine".