641254302 has 24 divisors (see below), whose sum is σ = 1496260584. Its totient is φ = 197308944.

The previous prime is 641254291. The next prime is 641254307. The reversal of 641254302 is 203452146.

641254302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641254302² = 822414159667014408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641254307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1369968 + ... + 1370435.

It is an arithmetic number, because the mean of its divisors is an integer number (62344191).

Almost surely, 2^641254302 is an apocalyptic number.

641254302 is an abundant number, since it is smaller than the sum of its proper divisors (855006282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641254302 is a wasteful number, since it uses less digits than its factorization.

641254302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740424 (or 2740421 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 641254302 is about 25322.9994668878. Note that the first 3 decimals coincide. The cubic root of 641254302 is about 862.3364902394.

Adding to 641254302 its sum of digits (27), we get a square (641254329 = 25323²).

The spelling of 641254302 in words is "six hundred forty-one million, two hundred fifty-four thousand, three hundred two".