506251701 has 20 divisors (see below), whose sum is σ = 759670912. Its totient is φ = 335975688.

The previous prime is 506251679. The next prime is 506251703. The reversal of 506251701 is 107152605.

It is not a de Polignac number, because 506251701 - 2⁹ = 506251189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506251703) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4050 + ... + 32076.

Almost surely, 2^506251701 is an apocalyptic number.

It is an amenable number.

506251701 is a deficient number, since it is larger than the sum of its proper divisors (253419211).

506251701 is a wasteful number, since it uses less digits than its factorization.

506251701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28262 (or 28253 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 506251701 is about 22500.0377999682. The cubic root of 506251701 is about 796.9948195192.

It can be divided in two parts, 50625 and 1701, that added together give a triangular number (52326 = T₃₂₃).

The spelling of 506251701 in words is "five hundred six million, two hundred fifty-one thousand, seven hundred one".