194240325 has 24 divisors (see below), whose sum is σ = 338048800. Its totient is φ = 98141760.

The previous prime is 194240311. The next prime is 194240339. The reversal of 194240325 is 523042491.

It is an interprime number because it is at equal distance from previous prime (194240311) and next prime (194240339).

It is not a de Polignac number, because 194240325 - 2⁷ = 194240197 is a prime.

It is a super-2 number, since 2×194240325² = 75458607712211250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 194240292 and 194240301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66730 + ... + 69579.

Almost surely, 2^194240325 is an apocalyptic number.

194240325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194240325 is a deficient number, since it is larger than the sum of its proper divisors (143808475).

194240325 is a wasteful number, since it uses less digits than its factorization.

194240325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136341 (or 136336 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 194240325 is about 13937.0127717528. The cubic root of 194240325 is about 579.1349818481.

The spelling of 194240325 in words is "one hundred ninety-four million, two hundred forty thousand, three hundred twenty-five".