152740613 has 2 divisors, whose sum is σ = 152740614. Its totient is φ = 152740612.

The previous prime is 152740591. The next prime is 152740619. The reversal of 152740613 is 316047251.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152720164 + 20449 = 12358^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 152740613 - 2²² = 148546309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152740619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76370306 + 76370307.

It is an arithmetic number, because the mean of its divisors is an integer number (76370307).

Almost surely, 2^152740613 is an apocalyptic number.

It is an amenable number.

152740613 is a deficient number, since it is larger than the sum of its proper divisors (1).

152740613 is an equidigital number, since it uses as much as digits as its factorization.

152740613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 152740613 is about 12358.8273311023. The cubic root of 152740613 is about 534.5457033746.

Adding to 152740613 its reverse (316047251), we get a palindrome (468787864).

The spelling of 152740613 in words is "one hundred fifty-two million, seven hundred forty thousand, six hundred thirteen".