1427457505 has 8 divisors (see below), whose sum is σ = 1741982400. Its totient is φ = 1122610416.

The previous prime is 1427457503. The next prime is 1427457553. The reversal of 1427457505 is 5057547241.

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

It is a cyclic number.

It is not a de Polignac number, because 1427457505 - 2¹ = 1427457503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1427457503) 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, 2419125 + ... + 2419714.

It is an arithmetic number, because the mean of its divisors is an integer number (217747800).

Almost surely, 2^1427457505 is an apocalyptic number.

It is an amenable number.

1427457505 is a deficient number, since it is larger than the sum of its proper divisors (314524895).

1427457505 is an equidigital number, since it uses as much as digits as its factorization.

1427457505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838903.

The product of its (nonzero) digits is 196000, while the sum is 40.

The square root of 1427457505 is about 37781.7086035028. The cubic root of 1427457505 is about 1125.9550750448.

The spelling of 1427457505 in words is "one billion, four hundred twenty-seven million, four hundred fifty-seven thousand, five hundred five".