190537247 has 2 divisors, whose sum is σ = 190537248. Its totient is φ = 190537246.

The previous prime is 190537229. The next prime is 190537261. The reversal of 190537247 is 742735091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190537247 - 2¹⁰ = 190536223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190537247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190537297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95268623 + 95268624.

It is an arithmetic number, because the mean of its divisors is an integer number (95268624).

Almost surely, 2^190537247 is an apocalyptic number.

190537247 is a deficient number, since it is larger than the sum of its proper divisors (1).

190537247 is an equidigital number, since it uses as much as digits as its factorization.

190537247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 190537247 is about 13803.5229923379. The cubic root of 190537247 is about 575.4310537137.

The spelling of 190537247 in words is "one hundred ninety million, five hundred thirty-seven thousand, two hundred forty-seven".