1870541 has 2 divisors, whose sum is σ = 1870542. Its totient is φ = 1870540.

The previous prime is 1870511. The next prime is 1870577. The reversal of 1870541 is 1450781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1042441 + 828100 = 1021^2 + 910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1870541 - 2¹⁴ = 1854157 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1870541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1870511) 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, 935270 + 935271.

It is an arithmetic number, because the mean of its divisors is an integer number (935271).

2^1870541 is an apocalyptic number.

It is an amenable number.

1870541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1870541 is an equidigital number, since it uses as much as digits as its factorization.

1870541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1870541 is about 1367.6772280037. The cubic root of 1870541 is about 123.2127764410.

The spelling of 1870541 in words is "one million, eight hundred seventy thousand, five hundred forty-one".