65020534 has 4 divisors (see below), whose sum is σ = 97530804. Its totient is φ = 32510266.

The previous prime is 65020531. The next prime is 65020541. The reversal of 65020534 is 43502056.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 65020499 and 65020508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65020531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16255132 + ... + 16255135.

It is an arithmetic number, because the mean of its divisors is an integer number (24382701).

Almost surely, 2^65020534 is an apocalyptic number.

65020534 is a deficient number, since it is larger than the sum of its proper divisors (32510270).

65020534 is a wasteful number, since it uses less digits than its factorization.

65020534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32510269.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 65020534 is about 8063.5311123601. The cubic root of 65020534 is about 402.1149106744.

The spelling of 65020534 in words is "sixty-five million, twenty thousand, five hundred thirty-four".