1006264520 has 16 divisors (see below), whose sum is σ = 2264095260. Its totient is φ = 402505792.

The previous prime is 1006264471. The next prime is 1006264537. The reversal of 1006264520 is 254626001.

It can be written as a sum of positive squares in 2 ways, for example, as 1003749124 + 2515396 = 31682^2 + 1586^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1006264520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12578267 + ... + 12578346.

Almost surely, 2^1006264520 is an apocalyptic number.

1006264520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1006264520 is an abundant number, since it is smaller than the sum of its proper divisors (1257830740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006264520 is a wasteful number, since it uses less digits than its factorization.

1006264520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25156624 (or 25156620 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1006264520 is about 31721.6727175602. The cubic root of 1006264520 is about 1002.0838279781.

The spelling of 1006264520 in words is "one billion, six million, two hundred sixty-four thousand, five hundred twenty".