152556413 has 4 divisors (see below), whose sum is σ = 154270620. Its totient is φ = 150842208.

The previous prime is 152556409. The next prime is 152556421. The reversal of 152556413 is 314655251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 314655251 = 719 ⋅437629.

It can be written as a sum of positive squares in 2 ways, for example, as 18992164 + 133564249 = 4358^2 + 11557^2 .

It is a cyclic number.

It is not a de Polignac number, because 152556413 - 2² = 152556409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 152556413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152556403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856970 + ... + 857147.

It is an arithmetic number, because the mean of its divisors is an integer number (38567655).

Almost surely, 2^152556413 is an apocalyptic number.

It is an amenable number.

152556413 is a deficient number, since it is larger than the sum of its proper divisors (1714207).

152556413 is an equidigital number, since it uses as much as digits as its factorization.

152556413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714206.

The product of its digits is 18000, while the sum is 32.

The square root of 152556413 is about 12351.3729196393. The cubic root of 152556413 is about 534.3307356060.

The spelling of 152556413 in words is "one hundred fifty-two million, five hundred fifty-six thousand, four hundred thirteen".