1513697747 has 2 divisors, whose sum is σ = 1513697748. Its totient is φ = 1513697746.

The previous prime is 1513697741. The next prime is 1513697767. The reversal of 1513697747 is 7477963151.

It is a weak prime.

It is an emirp because it is prime and its reverse (7477963151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513697747 - 2⁶ = 1513697683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1513697695 and 1513697704.

It is not a weakly prime, because it can be changed into another prime (1513697741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756848873 + 756848874.

It is an arithmetic number, because the mean of its divisors is an integer number (756848874).

Almost surely, 2^1513697747 is an apocalyptic number.

1513697747 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513697747 is an equidigital number, since it uses as much as digits as its factorization.

1513697747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 50.

The square root of 1513697747 is about 38906.2687365417. The cubic root of 1513697747 is about 1148.1881353759.

The spelling of 1513697747 in words is "one billion, five hundred thirteen million, six hundred ninety-seven thousand, seven hundred forty-seven".