340560253 has 16 divisors (see below), whose sum is σ = 385378560. Its totient is φ = 298110400.

The previous prime is 340560251. The next prime is 340560271. The reversal of 340560253 is 352065043.

It is a cyclic number.

It is not a de Polignac number, because 340560253 - 2¹ = 340560251 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 (340560251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136251 + ... + 138727.

It is an arithmetic number, because the mean of its divisors is an integer number (24086160).

Almost surely, 2^340560253 is an apocalyptic number.

It is an amenable number.

340560253 is a deficient number, since it is larger than the sum of its proper divisors (44818307).

340560253 is a wasteful number, since it uses less digits than its factorization.

340560253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 340560253 is about 18454.2746538573. The cubic root of 340560253 is about 698.3363574290.

The spelling of 340560253 in words is "three hundred forty million, five hundred sixty thousand, two hundred fifty-three".