214386028625 has 16 divisors (see below), whose sum is σ = 267733202256. Its totient is φ = 171393798400.

The previous prime is 214386028613. The next prime is 214386028631. The reversal of 214386028625 is 526820683412.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 23564706064 + 190821322561 = 153508^2 + 436831^2 .

It is not a de Polignac number, because 214386028625 - 2²² = 214381834321 is a prime.

It is a super-2 number, since 2×214386028625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214386028625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387752 + ... + 761001.

It is an arithmetic number, because the mean of its divisors is an integer number (16733325141).

Almost surely, 2^214386028625 is an apocalyptic number.

214386028625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214386028625 is a deficient number, since it is larger than the sum of its proper divisors (53347173631).

214386028625 is a wasteful number, since it uses less digits than its factorization.

214386028625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150261 (or 1150251 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 214386028625 in words is "two hundred fourteen billion, three hundred eighty-six million, twenty-eight thousand, six hundred twenty-five".