1865050541 has 2 divisors, whose sum is σ = 1865050542. Its totient is φ = 1865050540.

The previous prime is 1865050513. The next prime is 1865050589. The reversal of 1865050541 is 1450505681.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1863217225 + 1833316 = 43165^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1865050541 - 2⁶ = 1865050477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1865056541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 932525270 + 932525271.

It is an arithmetic number, because the mean of its divisors is an integer number (932525271).

Almost surely, 2^1865050541 is an apocalyptic number.

It is an amenable number.

1865050541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1865050541 is an equidigital number, since it uses as much as digits as its factorization.

1865050541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 35.

The square root of 1865050541 is about 43186.2309191251. The cubic root of 1865050541 is about 1230.9210588515.

The spelling of 1865050541 in words is "one billion, eight hundred sixty-five million, fifty thousand, five hundred forty-one".