2533401 has 24 divisors (see below), whose sum is σ = 4018560. Its totient is φ = 1528416.

The previous prime is 2533397. The next prime is 2533417. The reversal of 2533401 is 1043352.

It is not a de Polignac number, because 2533401 - 2² = 2533397 is a prime.

2533401 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2533301) 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, 6720 + ... + 7086.

It is an arithmetic number, because the mean of its divisors is an integer number (167440).

2^2533401 is an apocalyptic number.

It is an amenable number.

2533401 is a deficient number, since it is larger than the sum of its proper divisors (1485159).

2533401 is a wasteful number, since it uses less digits than its factorization.

2533401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2533401 is about 1591.6661082023. Note that the first 3 decimals coincide. The cubic root of 2533401 is about 136.3226372502.

Adding to 2533401 its reverse (1043352), we get a palindrome (3576753).

The spelling of 2533401 in words is "two million, five hundred thirty-three thousand, four hundred one".