1042513522 has 4 divisors (see below), whose sum is σ = 1563770286. Its totient is φ = 521256760.

The previous prime is 1042513499. The next prime is 1042513529. The reversal of 1042513522 is 2253152401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 838623681 + 203889841 = 28959^2 + 14279^2 .

It is not an unprimeable number, because it can be changed into a prime (1042513529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260628379 + ... + 260628382.

Almost surely, 2^1042513522 is an apocalyptic number.

1042513522 is a deficient number, since it is larger than the sum of its proper divisors (521256764).

1042513522 is an equidigital number, since it uses as much as digits as its factorization.

1042513522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521256763.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1042513522 is about 32287.9779794276. The cubic root of 1042513522 is about 1013.9749645960.

Adding to 1042513522 its reverse (2253152401), we get a palindrome (3295665923).

The spelling of 1042513522 in words is "one billion, forty-two million, five hundred thirteen thousand, five hundred twenty-two".