2533457 has 4 divisors (see below), whose sum is σ = 2547636. Its totient is φ = 2519280.

The previous prime is 2533429. The next prime is 2533499. The reversal of 2533457 is 7543352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 456976 + 2076481 = 676^2 + 1441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2533457 - 2⁶ = 2533393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2533417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6818 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (636909).

2^2533457 is an apocalyptic number.

It is an amenable number.

2533457 is a deficient number, since it is larger than the sum of its proper divisors (14179).

2533457 is a wasteful number, since it uses less digits than its factorization.

2533457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14178.

The product of its digits is 12600, while the sum is 29.

The square root of 2533457 is about 1591.6836997343. The cubic root of 2533457 is about 136.3236416986.

It can be divided in two parts, 253345 and 7, that added together give a palindrome (253352).

The spelling of 2533457 in words is "two million, five hundred thirty-three thousand, four hundred fifty-seven".