425636601 has 16 divisors (see below), whose sum is σ = 613361280. Its totient is φ = 260991360.

The previous prime is 425636593. The next prime is 425636611. The reversal of 425636601 is 106636524.

It is not a de Polignac number, because 425636601 - 2³ = 425636593 is a prime.

It is a super-3 number, since 3×425636601³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (425636611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8461 + ... + 30378.

It is an arithmetic number, because the mean of its divisors is an integer number (38335080).

Almost surely, 2^425636601 is an apocalyptic number.

It is an amenable number.

425636601 is a deficient number, since it is larger than the sum of its proper divisors (187724679).

425636601 is a wasteful number, since it uses less digits than its factorization.

425636601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39136.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 425636601 is about 20630.9621927820. The cubic root of 425636601 is about 752.2225043492. Note that the first 3 decimals are identical.

The spelling of 425636601 in words is "four hundred twenty-five million, six hundred thirty-six thousand, six hundred one".