501351253 has 8 divisors (see below), whose sum is σ = 548768696. Its totient is φ = 455198400.

The previous prime is 501351241. The next prime is 501351269. The reversal of 501351253 is 352153105.

It can be written as a sum of positive squares in 4 ways, for example, as 35784324 + 465566929 = 5982^2 + 21577^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 501351253 - 2⁹ = 501350741 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 (501351203) 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, 315318 + ... + 316903.

It is an arithmetic number, because the mean of its divisors is an integer number (68596087).

Almost surely, 2^501351253 is an apocalyptic number.

It is an amenable number.

501351253 is a deficient number, since it is larger than the sum of its proper divisors (47417443).

501351253 is a wasteful number, since it uses less digits than its factorization.

501351253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632295.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 501351253 is about 22390.8743241527. The cubic root of 501351253 is about 794.4148763359.

The spelling of 501351253 in words is "five hundred one million, three hundred fifty-one thousand, two hundred fifty-three".