340015253 has 4 divisors (see below), whose sum is σ = 340391040. Its totient is φ = 339639468.

The previous prime is 340015219. The next prime is 340015271. The reversal of 340015253 is 352510043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340015253 - 2⁶ = 340015189 is a prime.

It is a super-2 number, since 2×340015253² = 231220744545308018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340015213) 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 in 3 ways as a sum of consecutive naturals, for example, 186533 + ... + 188346.

It is an arithmetic number, because the mean of its divisors is an integer number (85097760).

Almost surely, 2^340015253 is an apocalyptic number.

It is an amenable number.

340015253 is a deficient number, since it is larger than the sum of its proper divisors (375787).

340015253 is an equidigital number, since it uses as much as digits as its factorization.

340015253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375786.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 340015253 is about 18439.5025149813. The cubic root of 340015253 is about 697.9636416723.

Adding to 340015253 its reverse (352510043), we get a palindrome (692525296).

The spelling of 340015253 in words is "three hundred forty million, fifteen thousand, two hundred fifty-three".