6998025 has 12 divisors (see below), whose sum is σ = 11570192. Its totient is φ = 3732240.

The previous prime is 6998009. The next prime is 6998029. The reversal of 6998025 is 5208996.

6998025 = 615² + 616² + ... + 632².

It is a happy number.

It is not a de Polignac number, because 6998025 - 2⁴ = 6998009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6998029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46579 + ... + 46728.

Almost surely, 2^6998025 is an apocalyptic number.

It is an amenable number.

6998025 is a deficient number, since it is larger than the sum of its proper divisors (4572167).

6998025 is a wasteful number, since it uses less digits than its factorization.

6998025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93320 (or 93315 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 6998025 is about 2645.3780448170. The cubic root of 6998025 is about 191.2751259227.

The spelling of 6998025 in words is "six million, nine hundred ninety-eight thousand, twenty-five".