1613408275 has 36 divisors (see below), whose sum is σ = 2133751080. Its totient is φ = 1210187520.

The previous prime is 1613408263. The next prime is 1613408323. The reversal of 1613408275 is 5728043161.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 1613408275 - 2²³ = 1605019667 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16633027 + ... + 16633123.

Almost surely, 2^1613408275 is an apocalyptic number.

1613408275 is a deficient number, since it is larger than the sum of its proper divisors (520342805).

1613408275 is an frugal number, since it uses more digits than its factorization.

1613408275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1613408275 is about 40167.2537647273. The cubic root of 1613408275 is about 1172.8651805532.

The spelling of 1613408275 in words is "one billion, six hundred thirteen million, four hundred eight thousand, two hundred seventy-five".