425630897 has 8 divisors (see below), whose sum is σ = 433836000. Its totient is φ = 417458944.

The previous prime is 425630861. The next prime is 425630903. The reversal of 425630897 is 798036524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425630897 - 2¹² = 425626801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425630497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18458 + ... + 34524.

It is an arithmetic number, because the mean of its divisors is an integer number (54229500).

Almost surely, 2^425630897 is an apocalyptic number.

It is an amenable number.

425630897 is a deficient number, since it is larger than the sum of its proper divisors (8205103).

425630897 is a wasteful number, since it uses less digits than its factorization.

425630897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16575.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 425630897 is about 20630.8239534925. The cubic root of 425630897 is about 752.2191441304.

It can be divided in two parts, 4256 and 30897, that added together give a palindrome (35153).

The spelling of 425630897 in words is "four hundred twenty-five million, six hundred thirty thousand, eight hundred ninety-seven".