6502265621 has 24 divisors (see below), whose sum is σ = 7060901760. Its totient is φ = 5984439552.

The previous prime is 6502265611. The next prime is 6502265629. The reversal of 6502265621 is 1265622056.

It is not a de Polignac number, because 6502265621 - 2²⁶ = 6435156757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6502265629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6723680 + ... + 6724646.

It is an arithmetic number, because the mean of its divisors is an integer number (294204240).

Almost surely, 2^6502265621 is an apocalyptic number.

It is an amenable number.

6502265621 is a deficient number, since it is larger than the sum of its proper divisors (558636139).

6502265621 is a wasteful number, since it uses less digits than its factorization.

6502265621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6502265621 is about 80636.6270437944. The cubic root of 6502265621 is about 1866.4723854171.

Adding to 6502265621 its reverse (1265622056), we get a palindrome (7767887677).

The spelling of 6502265621 in words is "six billion, five hundred two million, two hundred sixty-five thousand, six hundred twenty-one".