1542895487 has 6 divisors (see below), whose sum is σ = 1794796848. Its totient is φ = 1322481804.

The previous prime is 1542895457. The next prime is 1542895547. The reversal of 1542895487 is 7845982451.

It is not a de Polignac number, because 1542895487 - 2⁶ = 1542895423 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 (1542895457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15743783 + ... + 15743880.

It is an arithmetic number, because the mean of its divisors is an integer number (299132808).

Almost surely, 2^1542895487 is an apocalyptic number.

1542895487 is a deficient number, since it is larger than the sum of its proper divisors (251901361).

1542895487 is an equidigital number, since it uses as much as digits as its factorization.

1542895487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31487677 (or 31487670 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 53.

The square root of 1542895487 is about 39279.7083364935. The cubic root of 1542895487 is about 1155.5236437957.

The spelling of 1542895487 in words is "one billion, five hundred forty-two million, eight hundred ninety-five thousand, four hundred eighty-seven".