641514259 has 2 divisors, whose sum is σ = 641514260. Its totient is φ = 641514258.

The previous prime is 641514241. The next prime is 641514277. The reversal of 641514259 is 952415146.

It is a balanced prime because it is at equal distance from previous prime (641514241) and next prime (641514277).

It is a cyclic number.

It is not a de Polignac number, because 641514259 - 2⁷ = 641514131 is a prime.

It is not a weakly prime, because it can be changed into another prime (641514299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320757129 + 320757130.

It is an arithmetic number, because the mean of its divisors is an integer number (320757130).

Almost surely, 2^641514259 is an apocalyptic number.

641514259 is a deficient number, since it is larger than the sum of its proper divisors (1).

641514259 is an equidigital number, since it uses as much as digits as its factorization.

641514259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 37.

The square root of 641514259 is about 25328.1317708196. The cubic root of 641514259 is about 862.4530015418.

The spelling of 641514259 in words is "six hundred forty-one million, five hundred fourteen thousand, two hundred fifty-nine".