1488540761 has 4 divisors (see below), whose sum is σ = 1523158032. Its totient is φ = 1453923492.

The previous prime is 1488540719. The next prime is 1488540763. The reversal of 1488540761 is 1670458841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1488540761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1488540763) 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, 17308571 + ... + 17308656.

It is an arithmetic number, because the mean of its divisors is an integer number (380789508).

Almost surely, 2^1488540761 is an apocalyptic number.

It is an amenable number.

1488540761 is a deficient number, since it is larger than the sum of its proper divisors (34617271).

1488540761 is an equidigital number, since it uses as much as digits as its factorization.

1488540761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34617270.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 1488540761 is about 38581.6116952105. The cubic root of 1488540761 is about 1141.7917757958.

The spelling of 1488540761 in words is "one billion, four hundred eighty-eight million, five hundred forty thousand, seven hundred sixty-one".