402525004231 has 8 divisors (see below), whose sum is σ = 462570172064. Its totient is φ = 343115235360.

The previous prime is 402525004183. The next prime is 402525004331. The reversal of 402525004231 is 132400525204.

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 402525004231 - 2⁷ = 402525004103 is a prime.

It is a super-2 number, since 2×402525004231² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402525004231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402525004331) 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, 158848380 + ... + 158850913.

It is an arithmetic number, because the mean of its divisors is an integer number (57821271508).

Almost surely, 2^402525004231 is an apocalyptic number.

402525004231 is a deficient number, since it is larger than the sum of its proper divisors (60045167833).

402525004231 is a wasteful number, since it uses less digits than its factorization.

402525004231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317699481.

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 402525004231 its reverse (132400525204), we get a palindrome (534925529435).

The spelling of 402525004231 in words is "four hundred two billion, five hundred twenty-five million, four thousand, two hundred thirty-one".