3481513157 has 4 divisors (see below), whose sum is σ = 3481834860. Its totient is φ = 3481191456.

The previous prime is 3481513117. The next prime is 3481513171. The reversal of 3481513157 is 7513151843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 416119201 + 3065393956 = 20399^2 + 55366^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481513157 - 2²² = 3477318853 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3481513157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3481513117) 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 3 ways as a sum of consecutive naturals, for example, 144032 + ... + 166457.

It is an arithmetic number, because the mean of its divisors is an integer number (870458715).

Almost surely, 2^3481513157 is an apocalyptic number.

It is an amenable number.

3481513157 is a deficient number, since it is larger than the sum of its proper divisors (321703).

3481513157 is a wasteful number, since it uses less digits than its factorization.

3481513157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321702.

The product of its digits is 50400, while the sum is 38.

The square root of 3481513157 is about 59004.3486278766. The cubic root of 3481513157 is about 1515.6165777359.

The spelling of 3481513157 in words is "three billion, four hundred eighty-one million, five hundred thirteen thousand, one hundred fifty-seven".