52042501 has 32 divisors (see below), whose sum is σ = 65894400. Its totient is φ = 40098240.

The previous prime is 52042493. The next prime is 52042511. The reversal of 52042501 is 10524025.

It is not a de Polignac number, because 52042501 - 2³ = 52042493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52042511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397206 + ... + 397336.

It is an arithmetic number, because the mean of its divisors is an integer number (2059200).

Almost surely, 2^52042501 is an apocalyptic number.

It is an amenable number.

52042501 is a deficient number, since it is larger than the sum of its proper divisors (13851899).

52042501 is a wasteful number, since it uses less digits than its factorization.

52042501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 52042501 is about 7214.0488631558. The cubic root of 52042501 is about 373.3527773851.

Adding to 52042501 its reverse (10524025), we get a palindrome (62566526).

The spelling of 52042501 in words is "fifty-two million, forty-two thousand, five hundred one".