152503261 has 2 divisors, whose sum is σ = 152503262. Its totient is φ = 152503260.

The previous prime is 152503249. The next prime is 152503279. The reversal of 152503261 is 162305251.

152503261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132388036 + 20115225 = 11506^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 152503261 - 2¹⁹ = 151978973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152503201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76251630 + 76251631.

It is an arithmetic number, because the mean of its divisors is an integer number (76251631).

Almost surely, 2^152503261 is an apocalyptic number.

It is an amenable number.

152503261 is a deficient number, since it is larger than the sum of its proper divisors (1).

152503261 is an equidigital number, since it uses as much as digits as its factorization.

152503261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 152503261 is about 12349.2210685533. The cubic root of 152503261 is about 534.2686732172.

The spelling of 152503261 in words is "one hundred fifty-two million, five hundred three thousand, two hundred sixty-one".