925691251 has 2 divisors, whose sum is σ = 925691252. Its totient is φ = 925691250.

The previous prime is 925691243. The next prime is 925691321. The reversal of 925691251 is 152196529.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 925691251 - 2³ = 925691243 is a prime.

It is not a weakly prime, because it can be changed into another prime (925691201) 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, 462845625 + 462845626.

It is an arithmetic number, because the mean of its divisors is an integer number (462845626).

Almost surely, 2^925691251 is an apocalyptic number.

925691251 is a deficient number, since it is larger than the sum of its proper divisors (1).

925691251 is an equidigital number, since it uses as much as digits as its factorization.

925691251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 40.

The square root of 925691251 is about 30425.1746256287. The cubic root of 925691251 is about 974.5902292092.

The spelling of 925691251 in words is "nine hundred twenty-five million, six hundred ninety-one thousand, two hundred fifty-one".