1613531542 has 16 divisors (see below), whose sum is σ = 2777633280. Its totient is φ = 688618728.

The previous prime is 1613531503. The next prime is 1613531593. The reversal of 1613531542 is 2451353161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237768 + ... + 244459.

It is an arithmetic number, because the mean of its divisors is an integer number (173602080).

Almost surely, 2^1613531542 is an apocalyptic number.

1613531542 is a deficient number, since it is larger than the sum of its proper divisors (1164101738).

1613531542 is a wasteful number, since it uses less digits than its factorization.

1613531542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482475.

The product of its digits is 10800, while the sum is 31.

The square root of 1613531542 is about 40168.7881569758. The cubic root of 1613531542 is about 1172.8950493910.

The spelling of 1613531542 in words is "one billion, six hundred thirteen million, five hundred thirty-one thousand, five hundred forty-two".