52001501 has 4 divisors (see below), whose sum is σ = 52381212. Its totient is φ = 51621792.

The previous prime is 52001497. The next prime is 52001503. The reversal of 52001501 is 10510025.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22080601 + 29920900 = 4699^2 + 5470^2 .

It is a cyclic number.

It is not a de Polignac number, because 52001501 - 2² = 52001497 is a prime.

It is a super-2 number, since 2×52001501² = 5408312212506002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189650 + ... + 189923.

It is an arithmetic number, because the mean of its divisors is an integer number (13095303).

Almost surely, 2^52001501 is an apocalyptic number.

It is an amenable number.

52001501 is a deficient number, since it is larger than the sum of its proper divisors (379711).

52001501 is a wasteful number, since it uses less digits than its factorization.

52001501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379710.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 52001501 is about 7211.2066258013. The cubic root of 52001501 is about 373.2547069928.

Adding to 52001501 its reverse (10510025), we get a palindrome (62511526).

The spelling of 52001501 in words is "fifty-two million, one thousand, five hundred one".