925474721 has 2 divisors, whose sum is σ = 925474722. Its totient is φ = 925474720.

The previous prime is 925474699. The next prime is 925474723. The reversal of 925474721 is 127474529.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 787083025 + 138391696 = 28055^2 + 11764^2 .

It is a cyclic number.

It is not a de Polignac number, because 925474721 - 2¹⁰ = 925473697 is a prime.

Together with 925474723, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (925474723) 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, 462737360 + 462737361.

It is an arithmetic number, because the mean of its divisors is an integer number (462737361).

Almost surely, 2^925474721 is an apocalyptic number.

It is an amenable number.

925474721 is a deficient number, since it is larger than the sum of its proper divisors (1).

925474721 is an equidigital number, since it uses as much as digits as its factorization.

925474721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 41.

The square root of 925474721 is about 30421.6160155900. The cubic root of 925474721 is about 974.5142339360.

The spelling of 925474721 in words is "nine hundred twenty-five million, four hundred seventy-four thousand, seven hundred twenty-one".