507780481 has 16 divisors (see below), whose sum is σ = 555859584. Its totient is φ = 461026944.

The previous prime is 507780461. The next prime is 507780487. The reversal of 507780481 is 184087705.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-507780481 is a prime.

It is a super-2 number, since 2×507780481² = 515682033769182722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (507780487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613590 + ... + 614416.

It is an arithmetic number, because the mean of its divisors is an integer number (34741224).

Almost surely, 2^507780481 is an apocalyptic number.

It is an amenable number.

507780481 is a deficient number, since it is larger than the sum of its proper divisors (48079103).

507780481 is a wasteful number, since it uses less digits than its factorization.

507780481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1560.

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 507780481 is about 22533.9850226275. The cubic root of 507780481 is about 797.7962688898.

It can be divided in two parts, 5077 and 80481, that added together give a palindrome (85558).

The spelling of 507780481 in words is "five hundred seven million, seven hundred eighty thousand, four hundred eighty-one".