3025145321 has 6 divisors (see below), whose sum is σ = 3325159866. Its totient is φ = 2750132000.

The previous prime is 3025145293. The next prime is 3025145327. The reversal of 3025145321 is 1235415203.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2845048921 + 180096400 = 53339^2 + 13420^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3025145321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3025145327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12500480 + ... + 12500721.

It is an arithmetic number, because the mean of its divisors is an integer number (554193311).

Almost surely, 2^3025145321 is an apocalyptic number.

It is an amenable number.

3025145321 is a deficient number, since it is larger than the sum of its proper divisors (300014545).

3025145321 is a wasteful number, since it uses less digits than its factorization.

3025145321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25001223 (or 25001212 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3025145321 is about 55001.3210841340. The cubic root of 3025145321 is about 1446.2679007094.

The spelling of 3025145321 in words is "three billion, twenty-five million, one hundred forty-five thousand, three hundred twenty-one".