2553406 has 8 divisors (see below), whose sum is σ = 3858480. Its totient is φ = 1267248.

The previous prime is 2553403. The next prime is 2553409. The reversal of 2553406 is 6043552.

It is an interprime number because it is at equal distance from previous prime (2553403) and next prime (2553409).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553403) 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, 4386 + ... + 4933.

It is an arithmetic number, because the mean of its divisors is an integer number (482310).

2^2553406 is an apocalyptic number.

2553406 is a deficient number, since it is larger than the sum of its proper divisors (1305074).

2553406 is a wasteful number, since it uses less digits than its factorization.

2553406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9458.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2553406 is about 1597.9380463585. The cubic root of 2553406 is about 136.6805207715.

Adding to 2553406 its reverse (6043552), we get a palindrome (8596958).

The spelling of 2553406 in words is "two million, five hundred fifty-three thousand, four hundred six".