427240313 has 4 divisors (see below), whose sum is σ = 427303668. Its totient is φ = 427176960.

The previous prime is 427240301. The next prime is 427240337. The reversal of 427240313 is 313042724.

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

It can be written as a sum of positive squares in 2 ways, for example, as 233111824 + 194128489 = 15268^2 + 13933^2 .

It is a cyclic number.

It is not a de Polignac number, because 427240313 - 2¹² = 427236217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427240613) 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, 20168 + ... + 35513.

It is an arithmetic number, because the mean of its divisors is an integer number (106825917).

Almost surely, 2^427240313 is an apocalyptic number.

It is an amenable number.

427240313 is a deficient number, since it is larger than the sum of its proper divisors (63355).

427240313 is an equidigital number, since it uses as much as digits as its factorization.

427240313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63354.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 427240313 is about 20669.7922824590. The cubic root of 427240313 is about 753.1660606803.

The spelling of 427240313 in words is "four hundred twenty-seven million, two hundred forty thousand, three hundred thirteen".