1461316501 has 6 divisors (see below), whose sum is σ = 1468736502. Its totient is φ = 1453933800.

The previous prime is 1461316499. The next prime is 1461316511. The reversal of 1461316501 is 1056131641.

It can be written as a sum of positive squares in only one way, i.e., 832611025 + 628705476 = 28855^2 + 25074^2 .

It is not a de Polignac number, because 1461316501 - 2¹ = 1461316499 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 1461316501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461316511) 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, 21151 + ... + 58051.

It is an arithmetic number, because the mean of its divisors is an integer number (244789417).

Almost surely, 2^1461316501 is an apocalyptic number.

It is an amenable number.

1461316501 is a deficient number, since it is larger than the sum of its proper divisors (7420001).

1461316501 is an frugal number, since it uses more digits than its factorization.

1461316501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37299 (or 37100 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1461316501 is about 38227.1696702751. The cubic root of 1461316501 is about 1134.7880735331.

The spelling of 1461316501 in words is "one billion, four hundred sixty-one million, three hundred sixteen thousand, five hundred one".