152073491 has 2 divisors, whose sum is σ = 152073492. Its totient is φ = 152073490.

The previous prime is 152073461. The next prime is 152073553. The reversal of 152073491 is 194370251.

It is a weak prime.

It is an emirp because it is prime and its reverse (194370251) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 152073491 - 2²² = 147879187 is a prime.

It is not a weakly prime, because it can be changed into another prime (152073461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76036745 + 76036746.

It is an arithmetic number, because the mean of its divisors is an integer number (76036746).

Almost surely, 2^152073491 is an apocalyptic number.

152073491 is a deficient number, since it is larger than the sum of its proper divisors (1).

152073491 is an equidigital number, since it uses as much as digits as its factorization.

152073491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 152073491 is about 12331.8080993827. The cubic root of 152073491 is about 533.7663261958.

The spelling of 152073491 in words is "one hundred fifty-two million, seventy-three thousand, four hundred ninety-one".