1352212493 has 4 divisors (see below), whose sum is σ = 1398840540. Its totient is φ = 1305584448.

The previous prime is 1352212469. The next prime is 1352212517. The reversal of 1352212493 is 3942122531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3942122531 = 57493 ⋅68567.

It is an interprime number because it is at equal distance from previous prime (1352212469) and next prime (1352212517).

It can be written as a sum of positive squares in 2 ways, for example, as 238455364 + 1113757129 = 15442^2 + 33373^2 .

It is a cyclic number.

It is not a de Polignac number, because 1352212493 - 2⁶ = 1352212429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352212423) 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, 23313980 + ... + 23314037.

It is an arithmetic number, because the mean of its divisors is an integer number (349710135).

Almost surely, 2^1352212493 is an apocalyptic number.

It is an amenable number.

1352212493 is a deficient number, since it is larger than the sum of its proper divisors (46628047).

1352212493 is an equidigital number, since it uses as much as digits as its factorization.

1352212493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46628046.

The product of its digits is 12960, while the sum is 32.

The square root of 1352212493 is about 36772.4420320435. The cubic root of 1352212493 is about 1105.8128899746.

The spelling of 1352212493 in words is "one billion, three hundred fifty-two million, two hundred twelve thousand, four hundred ninety-three".