2554361605 has 8 divisors (see below), whose sum is σ = 3245541912. Its totient is φ = 1923283968.

The previous prime is 2554361599. The next prime is 2554361633. The reversal of 2554361605 is 5061634552.

It can be written as a sum of positive squares in 4 ways, for example, as 232471009 + 2321890596 = 15247^2 + 48186^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2554361605 - 2³ = 2554361597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15025572 + ... + 15025741.

It is an arithmetic number, because the mean of its divisors is an integer number (405692739).

Almost surely, 2^2554361605 is an apocalyptic number.

It is an amenable number.

2554361605 is a deficient number, since it is larger than the sum of its proper divisors (691180307).

2554361605 is a wasteful number, since it uses less digits than its factorization.

2554361605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30051335.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 2554361605 is about 50540.6925654962. The cubic root of 2554361605 is about 1366.9756941145.

The spelling of 2554361605 in words is "two billion, five hundred fifty-four million, three hundred sixty-one thousand, six hundred five".