1457287487 has 4 divisors (see below), whose sum is σ = 1458984840. Its totient is φ = 1455590136.

The previous prime is 1457287457. The next prime is 1457287493. The reversal of 1457287487 is 7847827541.

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 1457287487 - 2¹² = 1457283391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457287427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847388 + ... + 849105.

It is an arithmetic number, because the mean of its divisors is an integer number (364746210).

Almost surely, 2^1457287487 is an apocalyptic number.

1457287487 is a deficient number, since it is larger than the sum of its proper divisors (1697353).

1457287487 is an equidigital number, since it uses as much as digits as its factorization.

1457287487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697352.

The product of its digits is 3512320, while the sum is 53.

The square root of 1457287487 is about 38174.4349925444. The cubic root of 1457287487 is about 1133.7442007899.

The spelling of 1457287487 in words is "one billion, four hundred fifty-seven million, two hundred eighty-seven thousand, four hundred eighty-seven".