2656101 has 8 divisors (see below), whose sum is σ = 4047424. Its totient is φ = 1517760.

The previous prime is 2656099. The next prime is 2656117. The reversal of 2656101 is 1016562.

It is a happy number.

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

It is not a de Polignac number, because 2656101 - 2¹ = 2656099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 126481 = 2656101 / (2 + 6 + 5 + 6 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63220 + ... + 63261.

It is an arithmetic number, because the mean of its divisors is an integer number (505928).

2^2656101 is an apocalyptic number.

2656101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2656101 is a deficient number, since it is larger than the sum of its proper divisors (1391323).

2656101 is a wasteful number, since it uses less digits than its factorization.

2656101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126491.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2656101 is about 1629.7548895463. The cubic root of 2656101 is about 138.4888668518.

The spelling of 2656101 in words is "two million, six hundred fifty-six thousand, one hundred one".