3601551481 has 16 divisors (see below), whose sum is σ = 3968699328. Its totient is φ = 3241100800.

The previous prime is 3601551469. The next prime is 3601551493. The reversal of 3601551481 is 1841551063.

It is an interprime number because it is at equal distance from previous prime (3601551469) and next prime (3601551493).

It is a cyclic number.

It is not a de Polignac number, because 3601551481 - 2¹³ = 3601543289 is a prime.

It is a super-2 number, since 2×3601551481² = 25942346140586586722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3601551451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474221 + ... + 1476661.

It is an arithmetic number, because the mean of its divisors is an integer number (248043708).

Almost surely, 2^3601551481 is an apocalyptic number.

It is an amenable number.

3601551481 is a deficient number, since it is larger than the sum of its proper divisors (367147847).

3601551481 is a wasteful number, since it uses less digits than its factorization.

3601551481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3752.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 3601551481 is about 60012.9276156396. The cubic root of 3601551481 is about 1532.8390025225.

The spelling of 3601551481 in words is "three billion, six hundred one million, five hundred fifty-one thousand, four hundred eighty-one".