2661357 has 8 divisors (see below), whose sum is σ = 3556800. Its totient is φ = 1770080.

The previous prime is 2661341. The next prime is 2661371. The reversal of 2661357 is 7531662.

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 2661357 - 2⁴ = 2661341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (444600).

2^2661357 is an apocalyptic number.

It is an amenable number.

2661357 is a deficient number, since it is larger than the sum of its proper divisors (895443).

2661357 is a wasteful number, since it uses less digits than its factorization.

2661357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083.

The product of its digits is 7560, while the sum is 30.

The square root of 2661357 is about 1631.3666050278. The cubic root of 2661357 is about 138.5801557850.

The spelling of 2661357 in words is "two million, six hundred sixty-one thousand, three hundred fifty-seven".