1005526442 has 4 divisors (see below), whose sum is σ = 1508289666. Its totient is φ = 502763220.

The previous prime is 1005526429. The next prime is 1005526463. The reversal of 1005526442 is 2446255001.

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., 975375361 + 30151081 = 31231^2 + 5491^2 .

It is a super-2 number, since 2×1005526442² = 2022166851122358728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251381609 + ... + 251381612.

Almost surely, 2^1005526442 is an apocalyptic number.

1005526442 is a deficient number, since it is larger than the sum of its proper divisors (502763224).

1005526442 is an equidigital number, since it uses as much as digits as its factorization.

1005526442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502763223.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1005526442 is about 31710.0369283922. The cubic root of 1005526442 is about 1001.8387642072.

The spelling of 1005526442 in words is "one billion, five million, five hundred twenty-six thousand, four hundred forty-two".