214305396625 has 8 divisors (see below), whose sum is σ = 267453135144. Its totient is φ = 171444317200.

The previous prime is 214305396593. The next prime is 214305396637. The reversal of 214305396625 is 526693503412.

It can be written as a sum of positive squares in 4 ways, for example, as 1625783041 + 212679613584 = 40321^2 + 461172^2 .

It is not a de Polignac number, because 214305396625 - 2⁵ = 214305396593 is a prime.

It is a super-2 number, since 2×214305396625² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857221462 + ... + 857221711.

It is an arithmetic number, because the mean of its divisors is an integer number (33431641893).

Almost surely, 2^214305396625 is an apocalyptic number.

214305396625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

214305396625 is a deficient number, since it is larger than the sum of its proper divisors (53147738519).

214305396625 is an equidigital number, since it uses as much as digits as its factorization.

214305396625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714443188 (or 1714443178 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 214305396625 in words is "two hundred fourteen billion, three hundred five million, three hundred ninety-six thousand, six hundred twenty-five".