152321707 has 4 divisors (see below), whose sum is σ = 153256360. Its totient is φ = 151387056.

The previous prime is 152321681. The next prime is 152321713. The reversal of 152321707 is 707123251.

152321707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 707123251 = 9601 ⋅73651.

It is a cyclic number.

It is not a de Polignac number, because 152321707 - 2⁷ = 152321579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152321737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467082 + ... + 467407.

It is an arithmetic number, because the mean of its divisors is an integer number (38314090).

Almost surely, 2^152321707 is an apocalyptic number.

152321707 is a deficient number, since it is larger than the sum of its proper divisors (934653).

152321707 is an equidigital number, since it uses as much as digits as its factorization.

152321707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934652.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 152321707 is about 12341.8680514742. The cubic root of 152321707 is about 534.0565747314.

Adding to 152321707 its reverse (707123251), we get a palindrome (859444958).

The spelling of 152321707 in words is "one hundred fifty-two million, three hundred twenty-one thousand, seven hundred seven".