152490971 has 4 divisors (see below), whose sum is σ = 153011712. Its totient is φ = 151970232.

The previous prime is 152490967. The next prime is 152490973. The reversal of 152490971 is 179094251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152490971 - 2² = 152490967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152490973) 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, 259931 + ... + 260516.

It is an arithmetic number, because the mean of its divisors is an integer number (38252928).

Almost surely, 2^152490971 is an apocalyptic number.

152490971 is a deficient number, since it is larger than the sum of its proper divisors (520741).

152490971 is an equidigital number, since it uses as much as digits as its factorization.

152490971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520740.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 152490971 is about 12348.7234562930. The cubic root of 152490971 is about 534.2543208719.

The spelling of 152490971 in words is "one hundred fifty-two million, four hundred ninety thousand, nine hundred seventy-one".