818054541 has 6 divisors (see below), whose sum is σ = 1181634350. Its totient is φ = 545369688.

The previous prime is 818054539. The next prime is 818054543. The reversal of 818054541 is 145450818.

It is an interprime number because it is at equal distance from previous prime (818054539) and next prime (818054543).

It can be written as a sum of positive squares in only one way, i.e., 792197316 + 25857225 = 28146^2 + 5085^2 .

It is not a de Polignac number, because 818054541 - 2¹ = 818054539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 818054496 and 818054505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818054543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45447466 + ... + 45447483.

Almost surely, 2^818054541 is an apocalyptic number.

It is an amenable number.

818054541 is a deficient number, since it is larger than the sum of its proper divisors (363579809).

818054541 is a wasteful number, since it uses less digits than its factorization.

818054541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90894955 (or 90894952 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 36.

The square root of 818054541 is about 28601.6527669294. The cubic root of 818054541 is about 935.2493605070.

The spelling of 818054541 in words is "eight hundred eighteen million, fifty-four thousand, five hundred forty-one".