653262479 has 2 divisors, whose sum is σ = 653262480. Its totient is φ = 653262478.

The previous prime is 653262457. The next prime is 653262487. The reversal of 653262479 is 974262356.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653262479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653262079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326631239 + 326631240.

It is an arithmetic number, because the mean of its divisors is an integer number (326631240).

Almost surely, 2^653262479 is an apocalyptic number.

653262479 is a deficient number, since it is larger than the sum of its proper divisors (1).

653262479 is an equidigital number, since it uses as much as digits as its factorization.

653262479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 653262479 is about 25558.9999608748. Note that the first 4 decimals coincide. The cubic root of 653262479 is about 867.6859626744.

The spelling of 653262479 in words is "six hundred fifty-three million, two hundred sixty-two thousand, four hundred seventy-nine".