902587493 has 2 divisors, whose sum is σ = 902587494. Its totient is φ = 902587492.

The previous prime is 902587481. The next prime is 902587507. The reversal of 902587493 is 394785209.

It is a happy number.

902587493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 873675364 + 28912129 = 29558^2 + 5377^2 .

It is a cyclic number.

It is not a de Polignac number, because 902587493 - 2⁸ = 902587237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (902587423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451293746 + 451293747.

It is an arithmetic number, because the mean of its divisors is an integer number (451293747).

Almost surely, 2^902587493 is an apocalyptic number.

It is an amenable number.

902587493 is a deficient number, since it is larger than the sum of its proper divisors (1).

902587493 is an equidigital number, since it uses as much as digits as its factorization.

902587493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The square root of 902587493 is about 30043.0939318839. The cubic root of 902587493 is about 966.4137574730.

The spelling of 902587493 in words is "nine hundred two million, five hundred eighty-seven thousand, four hundred ninety-three".