1617423006525 has 24 divisors (see below), whose sum is σ = 2706357927840. Its totient is φ = 852232520640.

The previous prime is 1617423006523. The next prime is 1617423006527. The reversal of 1617423006525 is 5256003247161.

It is an interprime number because it is at equal distance from previous prime (1617423006523) and next prime (1617423006527).

It is not a de Polignac number, because 1617423006525 - 2¹ = 1617423006523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1617423006523) 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, 129907270 + ... + 129919719.

It is an arithmetic number, because the mean of its divisors is an integer number (112764913660).

Almost surely, 2^{1617423006525} is an apocalyptic number.

1617423006525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1617423006525 is a deficient number, since it is larger than the sum of its proper divisors (1088934921315).

1617423006525 is a wasteful number, since it uses less digits than its factorization.

1617423006525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259827085 (or 259827080 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 1617423006525 in words is "one trillion, six hundred seventeen billion, four hundred twenty-three million, six thousand, five hundred twenty-five".