2554405 has 16 divisors (see below), whose sum is σ = 3565440. Its totient is φ = 1720512.

The previous prime is 2554399. The next prime is 2554421. The reversal of 2554405 is 5044552.

2554405 = 101² + 102² + ... + 205².

It is a cyclic number.

It is not a de Polignac number, because 2554405 - 2³ = 2554397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2554405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1447 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (222840).

2^2554405 is an apocalyptic number.

It is an amenable number.

2554405 is a deficient number, since it is larger than the sum of its proper divisors (1011035).

2554405 is a wasteful number, since it uses less digits than its factorization.

2554405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2554405 is about 1598.2506061316. The cubic root of 2554405 is about 136.6983435067.

Adding to 2554405 its reverse (5044552), we get a palindrome (7598957).

The spelling of 2554405 in words is "two million, five hundred fifty-four thousand, four hundred five".