152409973 has 2 divisors, whose sum is σ = 152409974. Its totient is φ = 152409972.

The previous prime is 152409967. The next prime is 152409991. The reversal of 152409973 is 379904251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87478609 + 64931364 = 9353^2 + 8058^2 .

It is a cyclic number.

It is not a de Polignac number, because 152409973 - 2⁵ = 152409941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152409073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76204986 + 76204987.

It is an arithmetic number, because the mean of its divisors is an integer number (76204987).

Almost surely, 2^152409973 is an apocalyptic number.

It is an amenable number.

152409973 is a deficient number, since it is larger than the sum of its proper divisors (1).

152409973 is an equidigital number, since it uses as much as digits as its factorization.

152409973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 152409973 is about 12345.4434104248. The cubic root of 152409973 is about 534.1597115643.

The spelling of 152409973 in words is "one hundred fifty-two million, four hundred nine thousand, nine hundred seventy-three".