2578314507 has 4 divisors (see below), whose sum is σ = 3437752680. Its totient is φ = 1718876336.

The previous prime is 2578314491. The next prime is 2578314509. The reversal of 2578314507 is 7054138752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2578314507 - 2⁴ = 2578314491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2578314509) 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, 429719082 + ... + 429719087.

It is an arithmetic number, because the mean of its divisors is an integer number (859438170).

Almost surely, 2^2578314507 is an apocalyptic number.

2578314507 is a deficient number, since it is larger than the sum of its proper divisors (859438173).

2578314507 is an equidigital number, since it uses as much as digits as its factorization.

2578314507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859438172.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 2578314507 is about 50777.1061306176. The cubic root of 2578314507 is about 1371.2352343512.

The spelling of 2578314507 in words is "two billion, five hundred seventy-eight million, three hundred fourteen thousand, five hundred seven".