425863797 has 4 divisors (see below), whose sum is σ = 567818400. Its totient is φ = 283909196.

The previous prime is 425863759. The next prime is 425863831. The reversal of 425863797 is 797368524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425863797 - 2¹² = 425859701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425863717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70977297 + ... + 70977302.

It is an arithmetic number, because the mean of its divisors is an integer number (141954600).

Almost surely, 2^425863797 is an apocalyptic number.

It is an amenable number.

425863797 is a deficient number, since it is larger than the sum of its proper divisors (141954603).

425863797 is a wasteful number, since it uses less digits than its factorization.

425863797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141954602.

The product of its digits is 2540160, while the sum is 51.

The square root of 425863797 is about 20636.4676483162. The cubic root of 425863797 is about 752.3563208058.

The spelling of 425863797 in words is "four hundred twenty-five million, eight hundred sixty-three thousand, seven hundred ninety-seven".