1000444525 has 12 divisors (see below), whose sum is σ = 1305844000. Its totient is φ = 758231280.

The previous prime is 1000444507. The next prime is 1000444541. The reversal of 1000444525 is 5254440001.

It is a happy number.

It is not a de Polignac number, because 1000444525 - 2⁹ = 1000444013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 1000444525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1052625 + ... + 1053574.

Almost surely, 2^1000444525 is an apocalyptic number.

It is an amenable number.

1000444525 is a deficient number, since it is larger than the sum of its proper divisors (305399475).

1000444525 is a wasteful number, since it uses less digits than its factorization.

1000444525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106228 (or 2106223 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 1000444525 is about 31629.8043781494. The cubic root of 1000444525 is about 1000.1481530496.

Adding to 1000444525 its reverse (5254440001), we get a palindrome (6254884526).

The spelling of 1000444525 in words is "one billion, four hundred forty-four thousand, five hundred twenty-five".