2664901 has 2 divisors, whose sum is σ = 2664902. Its totient is φ = 2664900.

The previous prime is 2664899. The next prime is 2664911. The reversal of 2664901 is 1094662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2643876 + 21025 = 1626^2 + 145^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664901 - 2¹ = 2664899 is a prime.

Together with 2664899, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2664901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332450 + 1332451.

It is an arithmetic number, because the mean of its divisors is an integer number (1332451).

2^2664901 is an apocalyptic number.

It is an amenable number.

2664901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664901 is an equidigital number, since it uses as much as digits as its factorization.

2664901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 2664901 is about 1632.4524495372. The cubic root of 2664901 is about 138.6416419904.

The spelling of 2664901 in words is "two million, six hundred sixty-four thousand, nine hundred one".