905029425 has 36 divisors (see below), whose sum is σ = 1716368940. Its totient is φ = 454287360.

The previous prime is 905029421. The next prime is 905029439. The reversal of 905029425 is 524920509.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1245456 + 903783969 = 1116^2 + 30063^2 .

It is not a de Polignac number, because 905029425 - 2² = 905029421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 905029425.

It is not an unprimeable number, because it can be changed into a prime (905029421) 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 in 35 ways as a sum of consecutive naturals, for example, 114480 + ... + 122129.

It is an arithmetic number, because the mean of its divisors is an integer number (47676915).

Almost surely, 2^905029425 is an apocalyptic number.

It is an amenable number.

905029425 is a deficient number, since it is larger than the sum of its proper divisors (811339515).

905029425 is a wasteful number, since it uses less digits than its factorization.

905029425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236642 (or 236634 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 905029425 is about 30083.7069690555. The cubic root of 905029425 is about 967.2845102275.

The spelling of 905029425 in words is "nine hundred five million, twenty-nine thousand, four hundred twenty-five".