1290752593 has 8 divisors (see below), whose sum is σ = 1463201600. Its totient is φ = 1128755088.

The previous prime is 1290752569. The next prime is 1290752609. The reversal of 1290752593 is 3952570921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1290752593 - 2²¹ = 1288655441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1290752293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612613 + ... + 2613106.

It is an arithmetic number, because the mean of its divisors is an integer number (182900200).

Almost surely, 2^1290752593 is an apocalyptic number.

1290752593 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1290752593 is a deficient number, since it is larger than the sum of its proper divisors (172449007).

1290752593 is a wasteful number, since it uses less digits than its factorization.

1290752593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225751.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 1290752593 is about 35927.0454254173. The cubic root of 1290752593 is about 1088.7988881978.

The spelling of 1290752593 in words is "one billion, two hundred ninety million, seven hundred fifty-two thousand, five hundred ninety-three".