2391461 has 2 divisors, whose sum is σ = 2391462. Its totient is φ = 2391460.

The previous prime is 2391451. The next prime is 2391469. The reversal of 2391461 is 1641932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2307361 + 84100 = 1519^2 + 290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2391461 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2391461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2391469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1195730 + 1195731.

It is an arithmetic number, because the mean of its divisors is an integer number (1195731).

2^2391461 is an apocalyptic number.

It is an amenable number.

2391461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2391461 is an equidigital number, since it uses as much as digits as its factorization.

2391461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 26.

The square root of 2391461 is about 1546.4349323525. The cubic root of 2391461 is about 133.7276155511.

The spelling of 2391461 in words is "two million, three hundred ninety-one thousand, four hundred sixty-one".