152331973 has 2 divisors, whose sum is σ = 152331974. Its totient is φ = 152331972.

The previous prime is 152331961. The next prime is 152331989. The reversal of 152331973 is 379133251.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124947684 + 27384289 = 11178^2 + 5233^2 .

It is a cyclic number.

It is not a de Polignac number, because 152331973 - 2²⁵ = 118777541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152331943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76165986 + 76165987.

It is an arithmetic number, because the mean of its divisors is an integer number (76165987).

Almost surely, 2^152331973 is an apocalyptic number.

It is an amenable number.

152331973 is a deficient number, since it is larger than the sum of its proper divisors (1).

152331973 is an equidigital number, since it uses as much as digits as its factorization.

152331973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 34.

The square root of 152331973 is about 12342.2839458505. The cubic root of 152331973 is about 534.0685723683.

The spelling of 152331973 in words is "one hundred fifty-two million, three hundred thirty-one thousand, nine hundred seventy-three".