194632441 has 2 divisors, whose sum is σ = 194632442. Its totient is φ = 194632440.

The previous prime is 194632433. The next prime is 194632511. The reversal of 194632441 is 144236491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136796416 + 57836025 = 11696^2 + 7605^2 .

It is a cyclic number.

It is not a de Polignac number, because 194632441 - 2³ = 194632433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194632397 and 194632406.

It is not a weakly prime, because it can be changed into another prime (194632411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97316220 + 97316221.

It is an arithmetic number, because the mean of its divisors is an integer number (97316221).

Almost surely, 2^194632441 is an apocalyptic number.

It is an amenable number.

194632441 is a deficient number, since it is larger than the sum of its proper divisors (1).

194632441 is an equidigital number, since it uses as much as digits as its factorization.

194632441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 194632441 is about 13951.0731128469. The cubic root of 194632441 is about 579.5244228750.

It can be divided in two parts, 19463 and 2441, that added together give a square (21904 = 148²).

The spelling of 194632441 in words is "one hundred ninety-four million, six hundred thirty-two thousand, four hundred forty-one".