1513420361 has 8 divisors (see below), whose sum is σ = 1607922120. Its totient is φ = 1421739648.

The previous prime is 1513420343. The next prime is 1513420373. The reversal of 1513420361 is 1630243151.

It can be written as a sum of positive squares in 4 ways, for example, as 189915961 + 1323504400 = 13781^2 + 36380^2 .

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 1513420361 - 2¹⁰ = 1513419337 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 1513420361.

It is not an unprimeable number, because it can be changed into a prime (1513420261) 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, 704156 + ... + 706301.

It is an arithmetic number, because the mean of its divisors is an integer number (200990265).

Almost surely, 2^1513420361 is an apocalyptic number.

It is an amenable number.

1513420361 is a deficient number, since it is larger than the sum of its proper divisors (94501759).

1513420361 is a wasteful number, since it uses less digits than its factorization.

1513420361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410523.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1513420361 is about 38902.7037749306. The cubic root of 1513420361 is about 1148.1179957082.

The spelling of 1513420361 in words is "one billion, five hundred thirteen million, four hundred twenty thousand, three hundred sixty-one".