190525931 has 2 divisors, whose sum is σ = 190525932. Its totient is φ = 190525930.

The previous prime is 190525897. The next prime is 190525943. The reversal of 190525931 is 139525091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190525931 - 2¹⁰ = 190524907 is a prime.

It is a super-2 number, since 2×190525931² = 72600260766833522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190525891 and 190525900.

It is not a weakly prime, because it can be changed into another prime (190525961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95262965 + 95262966.

It is an arithmetic number, because the mean of its divisors is an integer number (95262966).

Almost surely, 2^190525931 is an apocalyptic number.

190525931 is a deficient number, since it is larger than the sum of its proper divisors (1).

190525931 is an equidigital number, since it uses as much as digits as its factorization.

190525931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 190525931 is about 13803.1130908937. The cubic root of 190525931 is about 575.4196618786.

The spelling of 190525931 in words is "one hundred ninety million, five hundred twenty-five thousand, nine hundred thirty-one".