698445025 has 12 divisors (see below), whose sum is σ = 903727872. Its totient is φ = 534461840.

The previous prime is 698445023. The next prime is 698445029. The reversal of 698445025 is 520544896.

It is not a de Polignac number, because 698445025 - 2¹ = 698445023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (698445023) 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, 606769 + ... + 607918.

It is an arithmetic number, because the mean of its divisors is an integer number (75310656).

Almost surely, 2^698445025 is an apocalyptic number.

It is an amenable number.

698445025 is a deficient number, since it is larger than the sum of its proper divisors (205282847).

698445025 is a wasteful number, since it uses less digits than its factorization.

698445025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214720 (or 1214715 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 698445025 is about 26428.1105075637. The cubic root of 698445025 is about 887.2460531119.

The spelling of 698445025 in words is "six hundred ninety-eight million, four hundred forty-five thousand, twenty-five".