1042513271 has 2 divisors, whose sum is σ = 1042513272. Its totient is φ = 1042513270.

The previous prime is 1042513259. The next prime is 1042513313. The reversal of 1042513271 is 1723152401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1042513271 - 2¹⁸ = 1042251127 is a prime.

It is a super-2 number, since 2×1042513271² = 2173667840422238882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042513271.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042513201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521256635 + 521256636.

It is an arithmetic number, because the mean of its divisors is an integer number (521256636).

Almost surely, 2^1042513271 is an apocalyptic number.

1042513271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042513271 is an equidigital number, since it uses as much as digits as its factorization.

1042513271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1042513271 is about 32287.9740925317. The cubic root of 1042513271 is about 1013.9748832197.

Adding to 1042513271 its reverse (1723152401), we get a palindrome (2765665672).

The spelling of 1042513271 in words is "one billion, forty-two million, five hundred thirteen thousand, two hundred seventy-one".