505097641 has 4 divisors (see below), whose sum is σ = 527058432. Its totient is φ = 483136852.

The previous prime is 505097627. The next prime is 505097699. The reversal of 505097641 is 146790505.

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 a cyclic number.

It is not a de Polignac number, because 505097641 - 2⁷ = 505097513 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505097641.

It is not an unprimeable number, because it can be changed into a prime (505097441) 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, 10980361 + ... + 10980406.

It is an arithmetic number, because the mean of its divisors is an integer number (131764608).

Almost surely, 2^505097641 is an apocalyptic number.

It is an amenable number.

505097641 is a deficient number, since it is larger than the sum of its proper divisors (21960791).

505097641 is a wasteful number, since it uses less digits than its factorization.

505097641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21960790.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 505097641 is about 22474.3774329791. The cubic root of 505097641 is about 796.3887444243.

The spelling of 505097641 in words is "five hundred five million, ninety-seven thousand, six hundred forty-one".