6662025 has 36 divisors (see below), whose sum is σ = 12355980. Its totient is φ = 3427200.

The previous prime is 6662009. The next prime is 6662041. The reversal of 6662025 is 5202666.

6662025 = 310² + 311² + ... + 367².

It is an interprime number because it is at equal distance from previous prime (6662009) and next prime (6662041).

It can be written as a sum of positive squares in 6 ways, for example, as 51984 + 6610041 = 228^2 + 2571^2 .

It is not a de Polignac number, because 6662025 - 2⁴ = 6662009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6662025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6015 + ... + 7035.

Almost surely, 2^6662025 is an apocalyptic number.

It is an amenable number.

6662025 is a deficient number, since it is larger than the sum of its proper divisors (5693955).

6662025 is a wasteful number, since it uses less digits than its factorization.

6662025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 6662025 is about 2581.0898860753. The cubic root of 6662025 is about 188.1635158793.

The spelling of 6662025 in words is "six million, six hundred sixty-two thousand, twenty-five".