85582390541 has 2 divisors, whose sum is σ = 85582390542. Its totient is φ = 85582390540.

The previous prime is 85582390519. The next prime is 85582390561. The reversal of 85582390541 is 14509328558.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52614725641 + 32967664900 = 229379^2 + 181570^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85582390541 is a prime.

It is a super-3 number, since 3×85582390541³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85582390541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85582390561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42791195270 + 42791195271.

It is an arithmetic number, because the mean of its divisors is an integer number (42791195271).

Almost surely, 2^85582390541 is an apocalyptic number.

It is an amenable number.

85582390541 is a deficient number, since it is larger than the sum of its proper divisors (1).

85582390541 is an equidigital number, since it uses as much as digits as its factorization.

85582390541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 50.

The spelling of 85582390541 in words is "eighty-five billion, five hundred eighty-two million, three hundred ninety thousand, five hundred forty-one".