872621353 has 2 divisors, whose sum is σ = 872621354. Its totient is φ = 872621352.

The previous prime is 872621279. The next prime is 872621359. The reversal of 872621353 is 353126278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 856557289 + 16064064 = 29267^2 + 4008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872621353 is a prime.

It is a super-2 number, since 2×872621353² = 1522936051423101218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872621359) 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 as a sum of consecutive naturals, namely, 436310676 + 436310677.

It is an arithmetic number, because the mean of its divisors is an integer number (436310677).

Almost surely, 2^872621353 is an apocalyptic number.

It is an amenable number.

872621353 is a deficient number, since it is larger than the sum of its proper divisors (1).

872621353 is an equidigital number, since it uses as much as digits as its factorization.

872621353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 872621353 is about 29540.1650807845. The cubic root of 872621353 is about 955.5981023546.

The spelling of 872621353 in words is "eight hundred seventy-two million, six hundred twenty-one thousand, three hundred fifty-three".