1625530565003 has 4 divisors (see below), whose sum is σ = 1625858496240. Its totient is φ = 1625202633768.

The previous prime is 1625530564993. The next prime is 1625530565027. The reversal of 1625530565003 is 3005650355261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1625530565003 - 2⁸ = 1625530564747 is a prime.

It is a super-5 number, since 5×1625530565003⁵ (a number of 62 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625530565033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163958183 + ... + 163968096.

It is an arithmetic number, because the mean of its divisors is an integer number (406464624060).

Almost surely, 2^{1625530565003} is an apocalyptic number.

1625530565003 is a deficient number, since it is larger than the sum of its proper divisors (327931237).

1625530565003 is an equidigital number, since it uses as much as digits as its factorization.

1625530565003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327931236.

The product of its (nonzero) digits is 405000, while the sum is 41.

The spelling of 1625530565003 in words is "one trillion, six hundred twenty-five billion, five hundred thirty million, five hundred sixty-five thousand, three".