4012025 has 6 divisors (see below), whose sum is σ = 4974942. Its totient is φ = 3209600.

The previous prime is 4012013. The next prime is 4012033. The reversal of 4012025 is 5202104.

It can be written as a sum of positive squares in 3 ways, for example, as 16 + 4012009 = 4^2 + 2003^2 .

It is not a de Polignac number, because 4012025 - 2⁸ = 4011769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80216 + ... + 80265.

It is an arithmetic number, because the mean of its divisors is an integer number (829157).

Almost surely, 2^4012025 is an apocalyptic number.

It is an amenable number.

4012025 is a deficient number, since it is larger than the sum of its proper divisors (962917).

4012025 is a wasteful number, since it uses less digits than its factorization.

4012025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160491 (or 160486 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 4012025 is about 2003.0039940050. The cubic root of 4012025 is about 158.8990168740.

Adding to 4012025 its reverse (5202104), we get a palindrome (9214129).

The spelling of 4012025 in words is "four million, twelve thousand, twenty-five".