152099491 has 2 divisors, whose sum is σ = 152099492. Its totient is φ = 152099490.

The previous prime is 152099449. The next prime is 152099501. The reversal of 152099491 is 194990251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 152099491 - 2¹¹ = 152097443 is a prime.

It is not a weakly prime, because it can be changed into another prime (152099401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76049745 + 76049746.

It is an arithmetic number, because the mean of its divisors is an integer number (76049746).

Almost surely, 2^152099491 is an apocalyptic number.

152099491 is a deficient number, since it is larger than the sum of its proper divisors (1).

152099491 is an equidigital number, since it uses as much as digits as its factorization.

152099491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 40.

The square root of 152099491 is about 12332.8622387506. The cubic root of 152099491 is about 533.7967437997.

The spelling of 152099491 in words is "one hundred fifty-two million, ninety-nine thousand, four hundred ninety-one".