190248631 has 2 divisors, whose sum is σ = 190248632. Its totient is φ = 190248630.

The previous prime is 190248629. The next prime is 190248647. The reversal of 190248631 is 136842091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 190248631 - 2¹ = 190248629 is a prime.

It is a super-2 number, since 2×190248631² = 72389083194748322, which contains 22 as substring.

Together with 190248629, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190248661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95124315 + 95124316.

It is an arithmetic number, because the mean of its divisors is an integer number (95124316).

Almost surely, 2^190248631 is an apocalyptic number.

190248631 is the 8724-th centered pentagonal number.

190248631 is a deficient number, since it is larger than the sum of its proper divisors (1).

190248631 is an equidigital number, since it uses as much as digits as its factorization.

190248631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 190248631 is about 13793.0645978332. The cubic root of 190248631 is about 575.1403624569.

The spelling of 190248631 in words is "one hundred ninety million, two hundred forty-eight thousand, six hundred thirty-one".