2620901 has 2 divisors, whose sum is σ = 2620902. Its totient is φ = 2620900.

The previous prime is 2620897. The next prime is 2620909. The reversal of 2620901 is 1090262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1560001 + 1060900 = 1249^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620901 - 2² = 2620897 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2620909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310450 + 1310451.

It is an arithmetic number, because the mean of its divisors is an integer number (1310451).

2^2620901 is an apocalyptic number.

It is an amenable number.

2620901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620901 is an equidigital number, since it uses as much as digits as its factorization.

2620901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 2620901 is about 1618.9197015294. The cubic root of 2620901 is about 137.8743693165.

The spelling of 2620901 in words is "two million, six hundred twenty thousand, nine hundred one".