83423925 has 60 divisors (see below), whose sum is σ = 166469380. Its totient is φ = 41057280.

The previous prime is 83423917. The next prime is 83423933. The reversal of 83423925 is 52932438.

It is an interprime number because it is at equal distance from previous prime (83423917) and next prime (83423933).

It can be written as a sum of positive squares in 6 ways, for example, as 2099601 + 81324324 = 1449^2 + 9018^2 .

It is not a de Polignac number, because 83423925 - 2³ = 83423917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83423925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 24741 + ... + 27909.

Almost surely, 2^83423925 is an apocalyptic number.

It is an amenable number.

83423925 is a deficient number, since it is larger than the sum of its proper divisors (83045455).

83423925 is a wasteful number, since it uses less digits than its factorization.

83423925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204 (or 3190 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 83423925 is about 9133.6698538977. The cubic root of 83423925 is about 436.9484532685.

It can be divided in two parts, 83423 and 925, that added together give a palindrome (84348).

The spelling of 83423925 in words is "eighty-three million, four hundred twenty-three thousand, nine hundred twenty-five".