1513505501 has 12 divisors (see below), whose sum is σ = 1588923840. Its totient is φ = 1441523160.

The previous prime is 1513505489. The next prime is 1513505507. The reversal of 1513505501 is 1055053151.

It is not a de Polignac number, because 1513505501 - 2²² = 1509311197 is a prime.

It is a super-2 number, since 2×1513505501² = 4581397803114522002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513505507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120446 + ... + 132416.

It is an arithmetic number, because the mean of its divisors is an integer number (132410320).

Almost surely, 2^1513505501 is an apocalyptic number.

It is an amenable number.

1513505501 is a deficient number, since it is larger than the sum of its proper divisors (75418339).

1513505501 is a wasteful number, since it uses less digits than its factorization.

1513505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12256 (or 12233 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 26.

The square root of 1513505501 is about 38903.7980279561. The cubic root of 1513505501 is about 1148.1395250722.

Adding to 1513505501 its reverse (1055053151), we get a palindrome (2568558652).

The spelling of 1513505501 in words is "one billion, five hundred thirteen million, five hundred five thousand, five hundred one".