5205252051 has 20 divisors (see below), whose sum is σ = 7812624424. Its totient is φ = 3453710400.

The previous prime is 5205252023. The next prime is 5205252053. The reversal of 5205252051 is 1502525025.

It is not a de Polignac number, because 5205252051 - 2²³ = 5196863443 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 not an unprimeable number, because it can be changed into a prime (5205252053) 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, 135190 + ... + 169371.

Almost surely, 2^5205252051 is an apocalyptic number.

5205252051 is a deficient number, since it is larger than the sum of its proper divisors (2607372373).

5205252051 is a wasteful number, since it uses less digits than its factorization.

5205252051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304784 (or 304775 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 5205252051 is about 72147.4327401883. The cubic root of 5205252051 is about 1733.0612877495.

Adding to 5205252051 its reverse (1502525025), we get a palindrome (6707777076).

The spelling of 5205252051 in words is "five billion, two hundred five million, two hundred fifty-two thousand, fifty-one".