1003305286025 has 24 divisors (see below), whose sum is σ = 1428090530880. Its totient is φ = 684949988160.

The previous prime is 1003305286021. The next prime is 1003305286037. The reversal of 1003305286025 is 5206825033001.

It is not a de Polignac number, because 1003305286025 - 2² = 1003305286021 is a prime.

It is a super-3 number, since 3×1003305286025³ (a number of 37 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (1003305286021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12588410 + ... + 12667859.

It is an arithmetic number, because the mean of its divisors is an integer number (59503772120).

Almost surely, 2^{1003305286025} is an apocalyptic number.

It is an amenable number.

1003305286025 is a deficient number, since it is larger than the sum of its proper divisors (424785244855).

1003305286025 is a wasteful number, since it uses less digits than its factorization.

1003305286025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256513 (or 25256508 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1003305286025 in words is "one trillion, three billion, three hundred five million, two hundred eighty-six thousand, twenty-five".