1413521541 has 6 divisors (see below), whose sum is σ = 2041753350. Its totient is φ = 942347688.

The previous prime is 1413521537. The next prime is 1413521573. The reversal of 1413521541 is 1451253141.

It can be written as a sum of positive squares in only one way, i.e., 1041417441 + 372104100 = 32271^2 + 19290^2 .

It is not a de Polignac number, because 1413521541 - 2² = 1413521537 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1413521581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78528966 + ... + 78528983.

It is an arithmetic number, because the mean of its divisors is an integer number (340292225).

Almost surely, 2^1413521541 is an apocalyptic number.

It is an amenable number.

1413521541 is a deficient number, since it is larger than the sum of its proper divisors (628231809).

1413521541 is a wasteful number, since it uses less digits than its factorization.

1413521541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157057955 (or 157057952 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1413521541 is about 37596.8288689352. The cubic root of 1413521541 is about 1122.2789325287.

Adding to 1413521541 its reverse (1451253141), we get a palindrome (2864774682).

The spelling of 1413521541 in words is "one billion, four hundred thirteen million, five hundred twenty-one thousand, five hundred forty-one".