641414225 has 24 divisors (see below), whose sum is σ = 834654912. Its totient is φ = 488030400.

The previous prime is 641414219. The next prime is 641414227. The reversal of 641414225 is 522414146.

It is not a de Polignac number, because 641414225 - 2⁶ = 641414161 is a prime.

It is a super-2 number, since 2×641414225² = 822824416064701250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641414227) 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, 100994 + ... + 107156.

It is an arithmetic number, because the mean of its divisors is an integer number (34777288).

Almost surely, 2^641414225 is an apocalyptic number.

It is an amenable number.

641414225 is a deficient number, since it is larger than the sum of its proper divisors (193240687).

641414225 is a wasteful number, since it uses less digits than its factorization.

641414225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6377 (or 6372 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 641414225 is about 25326.1569330998. The cubic root of 641414225 is about 862.4081705776.

The spelling of 641414225 in words is "six hundred forty-one million, four hundred fourteen thousand, two hundred twenty-five".