2635121 has 2 divisors, whose sum is σ = 2635122. Its totient is φ = 2635120.

The previous prime is 2635109. The next prime is 2635141. The reversal of 2635121 is 1215362.

It is an a-pointer prime, because the next prime (2635141) can be obtained adding 2635121 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2608225 + 26896 = 1615^2 + 164^2 .

It is a cyclic number.

It is not a de Polignac number, because 2635121 - 2⁶ = 2635057 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2635093 and 2635102.

It is not a weakly prime, because it can be changed into another prime (2635141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317560 + 1317561.

It is an arithmetic number, because the mean of its divisors is an integer number (1317561).

2^2635121 is an apocalyptic number.

It is an amenable number.

2635121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2635121 is an equidigital number, since it uses as much as digits as its factorization.

2635121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 2635121 is about 1623.3055781337. The cubic root of 2635121 is about 138.1232707959.

The spelling of 2635121 in words is "two million, six hundred thirty-five thousand, one hundred twenty-one".