425215797 has 16 divisors (see below), whose sum is σ = 582120000. Its totient is φ = 275926400.

The previous prime is 425215787. The next prime is 425215823. The reversal of 425215797 is 797512524.

It is a cyclic number.

It is not a de Polignac number, because 425215797 - 2⁶ = 425215733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425215717) 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, 52954 + ... + 60452.

It is an arithmetic number, because the mean of its divisors is an integer number (36382500).

Almost surely, 2^425215797 is an apocalyptic number.

It is an amenable number.

425215797 is a deficient number, since it is larger than the sum of its proper divisors (156904203).

425215797 is a wasteful number, since it uses less digits than its factorization.

425215797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004.

The product of its digits is 176400, while the sum is 42.

The square root of 425215797 is about 20620.7613099032. The cubic root of 425215797 is about 751.9745286425.

The spelling of 425215797 in words is "four hundred twenty-five million, two hundred fifteen thousand, seven hundred ninety-seven".