505702401 has 8 divisors (see below), whose sum is σ = 674391360. Its totient is φ = 337074192.

The previous prime is 505702391. The next prime is 505702409. The reversal of 505702401 is 104207505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505702401 - 2⁵ = 505702369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505702409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10396 + ... + 33458.

It is an arithmetic number, because the mean of its divisors is an integer number (84298920).

Almost surely, 2^505702401 is an apocalyptic number.

It is an amenable number.

505702401 is a deficient number, since it is larger than the sum of its proper divisors (168688959).

505702401 is a wasteful number, since it uses less digits than its factorization.

505702401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30375.

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 505702401 is about 22487.8278408565. The cubic root of 505702401 is about 796.7064598701.

Adding to 505702401 its reverse (104207505), we get a palindrome (609909906).

The spelling of 505702401 in words is "five hundred five million, seven hundred two thousand, four hundred one".