425523002861 has 16 divisors (see below), whose sum is σ = 494526090240. Its totient is φ = 362063715120.

The previous prime is 425523002843. The next prime is 425523002867. The reversal of 425523002861 is 168200325524.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 425523002861 - 2¹⁰ = 425523001837 is a prime.

It is a super-2 number, since 2×425523002861² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425523002867) 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, 12247685 + ... + 12282378.

It is an arithmetic number, because the mean of its divisors is an integer number (30907880640).

Almost surely, 2^425523002861 is an apocalyptic number.

It is an amenable number.

425523002861 is a deficient number, since it is larger than the sum of its proper divisors (69003087379).

425523002861 is a wasteful number, since it uses less digits than its factorization.

425523002861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24530176.

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 425523002861 in words is "four hundred twenty-five billion, five hundred twenty-three million, two thousand, eight hundred sixty-one".