501252061 has 4 divisors (see below), whose sum is σ = 514799452. Its totient is φ = 487704672.

The previous prime is 501252047. The next prime is 501252097. The reversal of 501252061 is 160252105.

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 205205625 + 296046436 = 14325^2 + 17206^2 .

It is a cyclic number.

It is not a de Polignac number, because 501252061 - 2⁹ = 501251549 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 (501252001) 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, 6773640 + ... + 6773713.

It is an arithmetic number, because the mean of its divisors is an integer number (128699863).

Almost surely, 2^501252061 is an apocalyptic number.

It is an amenable number.

501252061 is a deficient number, since it is larger than the sum of its proper divisors (13547391).

501252061 is a wasteful number, since it uses less digits than its factorization.

501252061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13547390.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 501252061 is about 22388.6592050529. The cubic root of 501252061 is about 794.3624814017.

The spelling of 501252061 in words is "five hundred one million, two hundred fifty-two thousand, sixty-one".