653213479 has 2 divisors, whose sum is σ = 653213480. Its totient is φ = 653213478.

The previous prime is 653213471. The next prime is 653213527. The reversal of 653213479 is 974312356.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653213479 - 2³ = 653213471 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653213471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326606739 + 326606740.

It is an arithmetic number, because the mean of its divisors is an integer number (326606740).

Almost surely, 2^653213479 is an apocalyptic number.

653213479 is a deficient number, since it is larger than the sum of its proper divisors (1).

653213479 is an equidigital number, since it uses as much as digits as its factorization.

653213479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 40.

The square root of 653213479 is about 25558.0413764435. The cubic root of 653213479 is about 867.6642676301.

The spelling of 653213479 in words is "six hundred fifty-three million, two hundred thirteen thousand, four hundred seventy-nine".