802240541 has 2 divisors, whose sum is σ = 802240542. Its totient is φ = 802240540.

The previous prime is 802240511. The next prime is 802240547. The reversal of 802240541 is 145042208.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605652100 + 196588441 = 24610^2 + 14021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-802240541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 802240541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802240547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401120270 + 401120271.

It is an arithmetic number, because the mean of its divisors is an integer number (401120271).

Almost surely, 2^802240541 is an apocalyptic number.

It is an amenable number.

802240541 is a deficient number, since it is larger than the sum of its proper divisors (1).

802240541 is an equidigital number, since it uses as much as digits as its factorization.

802240541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 802240541 is about 28323.8510976174. The cubic root of 802240541 is about 929.1835980944.

Adding to 802240541 its reverse (145042208), we get a palindrome (947282749).

The spelling of 802240541 in words is "eight hundred two million, two hundred forty thousand, five hundred forty-one".