906573825 has 18 divisors (see below), whose sum is σ = 1623774854. Its totient is φ = 483505920.

The previous prime is 906573821. The next prime is 906573839. The reversal of 906573825 is 528375609.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 804609 + 905769216 = 897^2 + 30096^2 .

It is not a de Polignac number, because 906573825 - 2² = 906573821 is a prime.

It is a super-2 number, since 2×906573825² = 1643752200350261250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (906573821) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2014384 + ... + 2014833.

Almost surely, 2^906573825 is an apocalyptic number.

It is an amenable number.

906573825 is a deficient number, since it is larger than the sum of its proper divisors (717201029).

906573825 is a wasteful number, since it uses less digits than its factorization.

906573825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029233 (or 4029225 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 906573825 is about 30109.3644071076. The cubic root of 906573825 is about 967.8344095691.

The spelling of 906573825 in words is "nine hundred six million, five hundred seventy-three thousand, eight hundred twenty-five".