1495540531 has 4 divisors (see below), whose sum is σ = 1497810600. Its totient is φ = 1493270464.

The previous prime is 1495540513. The next prime is 1495540537. The reversal of 1495540531 is 1350455941.

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 1495540531 - 2⁹ = 1495540019 is a prime.

It is a super-2 number, since 2×1495540531² = 4473282959727523922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1495540537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1134046 + ... + 1135363.

It is an arithmetic number, because the mean of its divisors is an integer number (374452650).

Almost surely, 2^1495540531 is an apocalyptic number.

1495540531 is a deficient number, since it is larger than the sum of its proper divisors (2270069).

1495540531 is an equidigital number, since it uses as much as digits as its factorization.

1495540531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2270068.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 1495540531 is about 38672.2191113983. The cubic root of 1495540531 is about 1143.5787125778.

The spelling of 1495540531 in words is "one billion, four hundred ninety-five million, five hundred forty thousand, five hundred thirty-one".