1001825490 has 48 divisors (see below), whose sum is σ = 2513504448. Its totient is φ = 255534048.

The previous prime is 1001825479. The next prime is 1001825537. The reversal of 1001825490 is 945281001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 15694 + ... + 47433.

It is an arithmetic number, because the mean of its divisors is an integer number (52364676).

Almost surely, 2^1001825490 is an apocalyptic number.

1001825490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001825490 is an abundant number, since it is smaller than the sum of its proper divisors (1511678958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001825490 is a wasteful number, since it uses less digits than its factorization.

1001825490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63183 (or 63160 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1001825490 is about 31651.6269724006. The cubic root of 1001825490 is about 1000.6081267735.

The spelling of 1001825490 in words is "one billion, one million, eight hundred twenty-five thousand, four hundred ninety".