1874261 has 2 divisors, whose sum is σ = 1874262. Its totient is φ = 1874260.

The previous prime is 1874209. The next prime is 1874263. The reversal of 1874261 is 1624781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1874161 + 100 = 1369^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1874261 is a prime.

It is a super-2 number, since 2×1874261² = 7025708592242, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 1874263, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1874263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937130 + 937131.

It is an arithmetic number, because the mean of its divisors is an integer number (937131).

2^1874261 is an apocalyptic number.

It is an amenable number.

1874261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874261 is an equidigital number, since it uses as much as digits as its factorization.

1874261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 29.

The square root of 1874261 is about 1369.0365225223. The cubic root of 1874261 is about 123.2944013146.

The spelling of 1874261 in words is "one million, eight hundred seventy-four thousand, two hundred sixty-one".