52413140 has 24 divisors (see below), whose sum is σ = 118534920. Its totient is φ = 19352448.

The previous prime is 52413083. The next prime is 52413149. The reversal of 52413140 is 4131425.

It can be written as a sum of positive squares in 4 ways, for example, as 515524 + 51897616 = 718^2 + 7204^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52413149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100535 + ... + 101054.

It is an arithmetic number, because the mean of its divisors is an integer number (4938955).

Almost surely, 2^52413140 is an apocalyptic number.

It is an amenable number.

52413140 is an abundant number, since it is smaller than the sum of its proper divisors (66121780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52413140 is a wasteful number, since it uses less digits than its factorization.

52413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201611 (or 201609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52413140 is about 7239.6919823981. The cubic root of 52413140 is about 374.2370026872.

Adding to 52413140 its reverse (4131425), we get a palindrome (56544565).

The spelling of 52413140 in words is "fifty-two million, four hundred thirteen thousand, one hundred forty".