152040521 has 2 divisors, whose sum is σ = 152040522. Its totient is φ = 152040520.

The previous prime is 152040439. The next prime is 152040593. The reversal of 152040521 is 125040251.

152040521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148840000 + 3200521 = 12200^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 152040521 - 2¹⁰ = 152039497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152040493 and 152040502.

It is not a weakly prime, because it can be changed into another prime (152040221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76020260 + 76020261.

It is an arithmetic number, because the mean of its divisors is an integer number (76020261).

Almost surely, 2^152040521 is an apocalyptic number.

It is an amenable number.

152040521 is a deficient number, since it is larger than the sum of its proper divisors (1).

152040521 is an equidigital number, since it uses as much as digits as its factorization.

152040521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 152040521 is about 12330.4712399811. The cubic root of 152040521 is about 533.7277493480.

Adding to 152040521 its reverse (125040251), we get a palindrome (277080772).

The spelling of 152040521 in words is "one hundred fifty-two million, forty thousand, five hundred twenty-one".