694939425 has 12 divisors (see below), whose sum is σ = 1148966640. Its totient is φ = 370634320.

The previous prime is 694939423. The next prime is 694939471. The reversal of 694939425 is 524939496.

It is not a de Polignac number, because 694939425 - 2¹ = 694939423 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (694939423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4632855 + ... + 4633004.

It is an arithmetic number, because the mean of its divisors is an integer number (95747220).

Almost surely, 2^694939425 is an apocalyptic number.

It is an amenable number.

694939425 is a deficient number, since it is larger than the sum of its proper divisors (454027215).

694939425 is a wasteful number, since it uses less digits than its factorization.

694939425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9265872 (or 9265867 counting only the distinct ones).

The product of its digits is 2099520, while the sum is 51.

The square root of 694939425 is about 26361.7037575343. The cubic root of 694939425 is about 885.7591558149.

The spelling of 694939425 in words is "six hundred ninety-four million, nine hundred thirty-nine thousand, four hundred twenty-five".