507016901 has 4 divisors (see below), whose sum is σ = 513962412. Its totient is φ = 500071392.

The previous prime is 507016897. The next prime is 507016903. The reversal of 507016901 is 109610705.

It is a happy number.

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 196728676 + 310288225 = 14026^2 + 17615^2 .

It is a cyclic number.

It is not a de Polignac number, because 507016901 - 2² = 507016897 is a prime.

It is a super-2 number, since 2×507016901² = 514132275799287602, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507016903) 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, 3472646 + ... + 3472791.

It is an arithmetic number, because the mean of its divisors is an integer number (128490603).

Almost surely, 2^507016901 is an apocalyptic number.

It is an amenable number.

507016901 is a deficient number, since it is larger than the sum of its proper divisors (6945511).

507016901 is an equidigital number, since it uses as much as digits as its factorization.

507016901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945510.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 507016901 is about 22517.0357951485. The cubic root of 507016901 is about 797.3961702203.

The spelling of 507016901 in words is "five hundred seven million, sixteen thousand, nine hundred one".