1513255127 has 2 divisors, whose sum is σ = 1513255128. Its totient is φ = 1513255126.

The previous prime is 1513255067. The next prime is 1513255151. The reversal of 1513255127 is 7215523151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1513255127 - 2⁸ = 1513254871 is a prime.

It is a super-2 number, since 2×1513255127² = 4579882158783572258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513255093 and 1513255102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1513255157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756627563 + 756627564.

It is an arithmetic number, because the mean of its divisors is an integer number (756627564).

Almost surely, 2^1513255127 is an apocalyptic number.

1513255127 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513255127 is an equidigital number, since it uses as much as digits as its factorization.

1513255127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10500, while the sum is 32.

The square root of 1513255127 is about 38900.5800342360. The cubic root of 1513255127 is about 1148.0762106589.

Adding to 1513255127 its reverse (7215523151), we get a palindrome (8728778278).

The spelling of 1513255127 in words is "one billion, five hundred thirteen million, two hundred fifty-five thousand, one hundred twenty-seven".