505874541 has 4 divisors (see below), whose sum is σ = 674499392. Its totient is φ = 337249692.

The previous prime is 505874539. The next prime is 505874557. The reversal of 505874541 is 145478505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 505874541 - 2¹ = 505874539 is a prime.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505874541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505874531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84312421 + ... + 84312426.

It is an arithmetic number, because the mean of its divisors is an integer number (168624848).

Almost surely, 2^505874541 is an apocalyptic number.

It is an amenable number.

505874541 is a deficient number, since it is larger than the sum of its proper divisors (168624851).

505874541 is a wasteful number, since it uses less digits than its factorization.

505874541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168624850.

The product of its (nonzero) digits is 112000, while the sum is 39.

The square root of 505874541 is about 22491.6549191028. The cubic root of 505874541 is about 796.7968486649.

The spelling of 505874541 in words is "five hundred five million, eight hundred seventy-four thousand, five hundred forty-one".