2900641 has 2 divisors, whose sum is σ = 2900642. Its totient is φ = 2900640.

The previous prime is 2900633. The next prime is 2900647. The reversal of 2900641 is 1460092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1679616 + 1221025 = 1296^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 2900641 - 2³ = 2900633 is a prime.

It is not a weakly prime, because it can be changed into another prime (2900647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1450320 + 1450321.

It is an arithmetic number, because the mean of its divisors is an integer number (1450321).

2^2900641 is an apocalyptic number.

It is an amenable number.

2900641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2900641 is an equidigital number, since it uses as much as digits as its factorization.

2900641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2900641 is about 1703.1268302742. The cubic root of 2900641 is about 142.6148207639.

Subtracting from 2900641 its product of nonzero digits (432), we obtain a square (2900209 = 1703²).

The spelling of 2900641 in words is "two million, nine hundred thousand, six hundred forty-one".