2461997 has 2 divisors, whose sum is σ = 2461998. Its totient is φ = 2461996.

The previous prime is 2461993. The next prime is 2462023. The reversal of 2461997 is 7991642.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 808201 = 1286^2 + 899^2 .

It is a cyclic number.

It is not a de Polignac number, because 2461997 - 2² = 2461993 is a prime.

It is a super-2 number, since 2×2461997² = 12122858456018, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2461997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2461993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1230998 + 1230999.

It is an arithmetic number, because the mean of its divisors is an integer number (1230999).

2^2461997 is an apocalyptic number.

It is an amenable number.

2461997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2461997 is an equidigital number, since it uses as much as digits as its factorization.

2461997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 38.

The square root of 2461997 is about 1569.0752053359. The cubic root of 2461997 is about 135.0296596927.

The spelling of 2461997 in words is "two million, four hundred sixty-one thousand, nine hundred ninety-seven".