872354653 has 2 divisors, whose sum is σ = 872354654. Its totient is φ = 872354652.

The previous prime is 872354627. The next prime is 872354669. The reversal of 872354653 is 356453278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682411129 + 189943524 = 26123^2 + 13782^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-872354653 is a prime.

It is a super-3 number, since 3×872354653³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872354683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436177326 + 436177327.

It is an arithmetic number, because the mean of its divisors is an integer number (436177327).

Almost surely, 2^872354653 is an apocalyptic number.

It is an amenable number.

872354653 is a deficient number, since it is larger than the sum of its proper divisors (1).

872354653 is an equidigital number, since it uses as much as digits as its factorization.

872354653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 43.

The square root of 872354653 is about 29535.6505430302. The cubic root of 872354653 is about 955.5007390169.

The spelling of 872354653 in words is "eight hundred seventy-two million, three hundred fifty-four thousand, six hundred fifty-three".