4145025 has 24 divisors (see below), whose sum is σ = 7258464. Its totient is φ = 2080000.

The previous prime is 4145023. The next prime is 4145027. The reversal of 4145025 is 5205414.

It is an interprime number because it is at equal distance from previous prime (4145023) and next prime (4145027).

It is not a de Polignac number, because 4145025 - 2¹ = 4145023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4144992 and 4145010.

It is not an unprimeable number, because it can be changed into a prime (4145023) 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, 351 + ... + 2900.

It is an arithmetic number, because the mean of its divisors is an integer number (302436).

Almost surely, 2^4145025 is an apocalyptic number.

It is an amenable number.

4145025 is a deficient number, since it is larger than the sum of its proper divisors (3113439).

4145025 is a wasteful number, since it uses less digits than its factorization.

4145025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3276 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4145025 is about 2035.9334468494. The cubic root of 4145025 is about 160.6358163670.

The spelling of 4145025 in words is "four million, one hundred forty-five thousand, twenty-five".