215425002 has 32 divisors (see below), whose sum is σ = 488416320. Its totient is φ = 62795520.

The previous prime is 215424991. The next prime is 215425009. The reversal of 215425002 is 200524512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 215425002.

It is not an unprimeable number, because it can be changed into a prime (215425009) 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, 71199 + ... + 74162.

It is an arithmetic number, because the mean of its divisors is an integer number (15263010).

Almost surely, 2^215425002 is an apocalyptic number.

215425002 is an abundant number, since it is smaller than the sum of its proper divisors (272991318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215425002 is a wasteful number, since it uses less digits than its factorization.

215425002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145398.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 215425002 is about 14677.3635915991. The cubic root of 215425002 is about 599.4671213184.

Adding to 215425002 its reverse (200524512), we get a palindrome (415949514).

The spelling of 215425002 in words is "two hundred fifteen million, four hundred twenty-five thousand, two".