1265524151 has 2 divisors, whose sum is σ = 1265524152. Its totient is φ = 1265524150.

The previous prime is 1265524111. The next prime is 1265524159. The reversal of 1265524151 is 1514255621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1265524151 - 2⁶ = 1265524087 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1265524159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632762075 + 632762076.

It is an arithmetic number, because the mean of its divisors is an integer number (632762076).

Almost surely, 2^1265524151 is an apocalyptic number.

1265524151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1265524151 is an equidigital number, since it uses as much as digits as its factorization.

1265524151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 32.

The square root of 1265524151 is about 35574.2062595921. The cubic root of 1265524151 is about 1081.6584462164.

Adding to 1265524151 its reverse (1514255621), we get a palindrome (2779779772).

The spelling of 1265524151 in words is "one billion, two hundred sixty-five million, five hundred twenty-four thousand, one hundred fifty-one".