152051521 has 2 divisors, whose sum is σ = 152051522. Its totient is φ = 152051520.

The previous prime is 152051513. The next prime is 152051527. The reversal of 152051521 is 125150251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147889921 + 4161600 = 12161^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 152051521 - 2³ = 152051513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 152051492 and 152051501.

It is not a weakly prime, because it can be changed into another prime (152051527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76025760 + 76025761.

It is an arithmetic number, because the mean of its divisors is an integer number (76025761).

Almost surely, 2^152051521 is an apocalyptic number.

It is an amenable number.

152051521 is a deficient number, since it is larger than the sum of its proper divisors (1).

152051521 is an equidigital number, since it uses as much as digits as its factorization.

152051521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 152051521 is about 12330.9172813704. The cubic root of 152051521 is about 533.7406206178.

The spelling of 152051521 in words is "one hundred fifty-two million, fifty-one thousand, five hundred twenty-one".