1613261471 has 8 divisors (see below), whose sum is σ = 1621367088. Its totient is φ = 1605168000.

The previous prime is 1613261431. The next prime is 1613261497. The reversal of 1613261471 is 1741623161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1613261471 - 2¹⁴ = 1613245087 is a prime.

It is a super-3 number, since 3×1613261471³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613261431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376481 + ... + 380741.

It is an arithmetic number, because the mean of its divisors is an integer number (202670886).

Almost surely, 2^1613261471 is an apocalyptic number.

1613261471 is a deficient number, since it is larger than the sum of its proper divisors (8105617).

1613261471 is a wasteful number, since it uses less digits than its factorization.

1613261471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6073.

The product of its digits is 6048, while the sum is 32.

The square root of 1613261471 is about 40165.4263141822. The cubic root of 1613261471 is about 1172.8296064779.

The spelling of 1613261471 in words is "one billion, six hundred thirteen million, two hundred sixty-one thousand, four hundred seventy-one".