526663490 has 32 divisors (see below), whose sum is σ = 990448560. Its totient is φ = 201376000.

The previous prime is 526663477. The next prime is 526663541. The reversal of 526663490 is 94366625.

It can be written as a sum of positive squares in 8 ways, for example, as 506745121 + 19918369 = 22511^2 + 4463^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20300 + ... + 38280.

Almost surely, 2^526663490 is an apocalyptic number.

526663490 is a deficient number, since it is larger than the sum of its proper divisors (463785070).

526663490 is a wasteful number, since it uses less digits than its factorization.

526663490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18118.

The product of its (nonzero) digits is 233280, while the sum is 41.

The square root of 526663490 is about 22949.1500931952. The cubic root of 526663490 is about 807.5654635461.

The spelling of 526663490 in words is "five hundred twenty-six million, six hundred sixty-three thousand, four hundred ninety".