194265425 has 6 divisors (see below), whose sum is σ = 240889158. Its totient is φ = 155412320.

The previous prime is 194265413. The next prime is 194265439. The reversal of 194265425 is 524562491.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 39287824 + 154977601 = 6268^2 + 12449^2 .

It is a de Polignac number, because none of the positive numbers 2^k-194265425 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3885284 + ... + 3885333.

It is an arithmetic number, because the mean of its divisors is an integer number (40148193).

Almost surely, 2^194265425 is an apocalyptic number.

It is an amenable number.

194265425 is a deficient number, since it is larger than the sum of its proper divisors (46623733).

194265425 is an equidigital number, since it uses as much as digits as its factorization.

194265425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7770627 (or 7770622 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 194265425 is about 13937.9132225739. The cubic root of 194265425 is about 579.1599263114.

The spelling of 194265425 in words is "one hundred ninety-four million, two hundred sixty-five thousand, four hundred twenty-five".