653345434 has 16 divisors (see below), whose sum is σ = 1129935168. Its totient is φ = 277526592.

The previous prime is 653345431. The next prime is 653345471. The reversal of 653345434 is 434543356.

It is a super-2 number, since 2×653345434² = 853720512257296712, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 653345393 and 653345402.

It is not an unprimeable number, because it can be changed into a prime (653345431) 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, 204912 + ... + 208075.

It is an arithmetic number, because the mean of its divisors is an integer number (70620948).

Almost surely, 2^653345434 is an apocalyptic number.

653345434 is a deficient number, since it is larger than the sum of its proper divisors (476589734).

653345434 is a wasteful number, since it uses less digits than its factorization.

653345434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413109.

The product of its digits is 259200, while the sum is 37.

The square root of 653345434 is about 25560.6227232437. The cubic root of 653345434 is about 867.7226890260.

The spelling of 653345434 in words is "six hundred fifty-three million, three hundred forty-five thousand, four hundred thirty-four".