190814531 has 2 divisors, whose sum is σ = 190814532. Its totient is φ = 190814530.

The previous prime is 190814489. The next prime is 190814543. The reversal of 190814531 is 135418091.

It is a strong prime.

It is an emirp because it is prime and its reverse (135418091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 190814531 - 2¹⁰ = 190813507 is a prime.

It is a super-2 number, since 2×190814531² = 72820370481499922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (190814551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95407265 + 95407266.

It is an arithmetic number, because the mean of its divisors is an integer number (95407266).

Almost surely, 2^190814531 is an apocalyptic number.

190814531 is a deficient number, since it is larger than the sum of its proper divisors (1).

190814531 is an equidigital number, since it uses as much as digits as its factorization.

190814531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 190814531 is about 13813.5632984397. The cubic root of 190814531 is about 575.7100551324.

The spelling of 190814531 in words is "one hundred ninety million, eight hundred fourteen thousand, five hundred thirty-one".