152465021 has 2 divisors, whose sum is σ = 152465022. Its totient is φ = 152465020.

The previous prime is 152465011. The next prime is 152465051. The reversal of 152465021 is 120564251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146652100 + 5812921 = 12110^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 152465021 - 2¹⁸ = 152202877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152465011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76232510 + 76232511.

It is an arithmetic number, because the mean of its divisors is an integer number (76232511).

Almost surely, 2^152465021 is an apocalyptic number.

It is an amenable number.

152465021 is a deficient number, since it is larger than the sum of its proper divisors (1).

152465021 is an equidigital number, since it uses as much as digits as its factorization.

152465021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 152465021 is about 12347.6726956945. The cubic root of 152465021 is about 534.2240137526.

The spelling of 152465021 in words is "one hundred fifty-two million, four hundred sixty-five thousand, twenty-one".