425147636 has 6 divisors (see below), whose sum is σ = 744008370. Its totient is φ = 212573816.

The previous prime is 425147599. The next prime is 425147659. The reversal of 425147636 is 636741524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 395771236 + 29376400 = 19894^2 + 5420^2 .

It is a super-3 number, since 3×425147636³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425147636.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 53143451 + ... + 53143458.

It is an arithmetic number, because the mean of its divisors is an integer number (124001395).

Almost surely, 2^425147636 is an apocalyptic number.

It is an amenable number.

425147636 is a deficient number, since it is larger than the sum of its proper divisors (318860734).

425147636 is a wasteful number, since it uses less digits than its factorization.

425147636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106286913 (or 106286911 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 425147636 is about 20619.1085161313. The cubic root of 425147636 is about 751.9343466336.

The spelling of 425147636 in words is "four hundred twenty-five million, one hundred forty-seven thousand, six hundred thirty-six".