190225501 has 2 divisors, whose sum is σ = 190225502. Its totient is φ = 190225500.

The previous prime is 190225487. The next prime is 190225523. The reversal of 190225501 is 105522091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124858276 + 65367225 = 11174^2 + 8085^2 .

It is a cyclic number.

It is not a de Polignac number, because 190225501 - 2⁹ = 190224989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190225561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95112750 + 95112751.

It is an arithmetic number, because the mean of its divisors is an integer number (95112751).

Almost surely, 2^190225501 is an apocalyptic number.

It is an amenable number.

190225501 is a deficient number, since it is larger than the sum of its proper divisors (1).

190225501 is an equidigital number, since it uses as much as digits as its factorization.

190225501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 190225501 is about 13792.2261074853. The cubic root of 190225501 is about 575.1170534224.

Adding to 190225501 its reverse (105522091), we get a palindrome (295747592).

The spelling of 190225501 in words is "one hundred ninety million, two hundred twenty-five thousand, five hundred one".