4015049 has 2 divisors, whose sum is σ = 4015050. Its totient is φ = 4015048.

The previous prime is 4015031. The next prime is 4015051. The reversal of 4015049 is 9405104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3489424 + 525625 = 1868^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 4015049 - 2¹² = 4010953 is a prime.

It is a super-2 number, since 2×4015049² = 32241236944802, which contains 22 as substring.

Together with 4015051, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4015549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007524 + 2007525.

It is an arithmetic number, because the mean of its divisors is an integer number (2007525).

Almost surely, 2^4015049 is an apocalyptic number.

It is an amenable number.

4015049 is a deficient number, since it is larger than the sum of its proper divisors (1).

4015049 is an equidigital number, since it uses as much as digits as its factorization.

4015049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 4015049 is about 2003.7587180097. The cubic root of 4015049 is about 158.9389293831.

The spelling of 4015049 in words is "four million, fifteen thousand, forty-nine".