190404601 has 2 divisors, whose sum is σ = 190404602. Its totient is φ = 190404600.

The previous prime is 190404589. The next prime is 190404611. The reversal of 190404601 is 106404091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137827600 + 52577001 = 11740^2 + 7251^2 .

It is a cyclic number.

It is not a de Polignac number, because 190404601 - 2¹⁷ = 190273529 is a prime.

It is not a weakly prime, because it can be changed into another prime (190404611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95202300 + 95202301.

It is an arithmetic number, because the mean of its divisors is an integer number (95202301).

Almost surely, 2^190404601 is an apocalyptic number.

It is an amenable number.

190404601 is a deficient number, since it is larger than the sum of its proper divisors (1).

190404601 is an equidigital number, since it uses as much as digits as its factorization.

190404601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 190404601 is about 13798.7173679295. The cubic root of 190404601 is about 575.2974904199.

Adding to 190404601 its reverse (106404091), we get a palindrome (296808692).

The spelling of 190404601 in words is "one hundred ninety million, four hundred four thousand, six hundred one".