578401361 has 4 divisors (see below), whose sum is σ = 579651072. Its totient is φ = 577151652.

The previous prime is 578401357. The next prime is 578401393. The reversal of 578401361 is 163104875.

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 578401361 - 2² = 578401357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (578401301) 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, 624161 + ... + 625086.

It is an arithmetic number, because the mean of its divisors is an integer number (144912768).

Almost surely, 2^578401361 is an apocalyptic number.

It is an amenable number.

578401361 is a deficient number, since it is larger than the sum of its proper divisors (1249711).

578401361 is a wasteful number, since it uses less digits than its factorization.

578401361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249710.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 578401361 is about 24049.9763201547. The cubic root of 578401361 is about 833.1881835549.

The spelling of 578401361 in words is "five hundred seventy-eight million, four hundred one thousand, three hundred sixty-one".