82425501 has 6 divisors (see below), whose sum is σ = 119059070. Its totient is φ = 54950328.

The previous prime is 82425487. The next prime is 82425521. The reversal of 82425501 is 10552428.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80084601 + 2340900 = 8949^2 + 1530^2 .

It is not a de Polignac number, because 82425501 - 2⁶ = 82425437 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 (82425521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4579186 + ... + 4579203.

Almost surely, 2^82425501 is an apocalyptic number.

It is an amenable number.

82425501 is a deficient number, since it is larger than the sum of its proper divisors (36633569).

82425501 is a wasteful number, since it uses less digits than its factorization.

82425501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158395 (or 9158392 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 82425501 is about 9078.8491010700. The cubic root of 82425501 is about 435.1983083129.

Adding to 82425501 its reverse (10552428), we get a palindrome (92977929).

The spelling of 82425501 in words is "eighty-two million, four hundred twenty-five thousand, five hundred one".