641292503 has 16 divisors (see below), whose sum is σ = 681523200. Its totient is φ = 601745760.

The previous prime is 641292499. The next prime is 641292529. The reversal of 641292503 is 305292146.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 641292503 - 2² = 641292499 is a prime.

It is a super-2 number, since 2×641292503² = 822512148808010018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 641292503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641292403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384850 + ... + 1385312.

It is an arithmetic number, because the mean of its divisors is an integer number (42595200).

Almost surely, 2^641292503 is an apocalyptic number.

641292503 is a deficient number, since it is larger than the sum of its proper divisors (40230697).

641292503 is a wasteful number, since it uses less digits than its factorization.

641292503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 641292503 is about 25323.7537304405. The cubic root of 641292503 is about 862.3536136916.

The spelling of 641292503 in words is "six hundred forty-one million, two hundred ninety-two thousand, five hundred three".