151513613 has 2 divisors, whose sum is σ = 151513614. Its totient is φ = 151513612.

The previous prime is 151513561. The next prime is 151513633. The reversal of 151513613 is 316315151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 142014889 + 9498724 = 11917^2 + 3082^2 .

It is a cyclic number.

It is not a de Polignac number, because 151513613 - 2¹² = 151509517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151513633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75756806 + 75756807.

It is an arithmetic number, because the mean of its divisors is an integer number (75756807).

Almost surely, 2^151513613 is an apocalyptic number.

It is an amenable number.

151513613 is a deficient number, since it is larger than the sum of its proper divisors (1).

151513613 is an equidigital number, since it uses as much as digits as its factorization.

151513613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1350, while the sum is 26.

The square root of 151513613 is about 12309.0866029937. The cubic root of 151513613 is about 533.1104776817.

Adding to 151513613 its reverse (316315151), we get a palindrome (467828764).

The spelling of 151513613 in words is "one hundred fifty-one million, five hundred thirteen thousand, six hundred thirteen".