64325503 has 16 divisors (see below), whose sum is σ = 74276352. Its totient is φ = 55132000.

The previous prime is 64325491. The next prime is 64325519. The reversal of 64325503 is 30552346.

It is not a de Polignac number, because 64325503 - 2¹³ = 64317311 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 (64325533) 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, 16173 + ... + 19753.

It is an arithmetic number, because the mean of its divisors is an integer number (4642272).

Almost surely, 2^64325503 is an apocalyptic number.

64325503 is a deficient number, since it is larger than the sum of its proper divisors (9950849).

64325503 is a wasteful number, since it uses less digits than its factorization.

64325503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3686.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 64325503 is about 8020.3181358348. The cubic root of 64325503 is about 400.6769848325.

Adding to 64325503 its reverse (30552346), we get a palindrome (94877849).

It can be divided in two parts, 6432 and 5503, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 64325503 in words is "sixty-four million, three hundred twenty-five thousand, five hundred three".