625325231513 has 4 divisors (see below), whose sum is σ = 626151289380. Its totient is φ = 624499173648.

The previous prime is 625325231477. The next prime is 625325231561. The reversal of 625325231513 is 315132523526.

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 519317685769 + 106007545744 = 720637^2 + 325588^2 .

It is a cyclic number.

It is not a de Polignac number, because 625325231513 - 2¹⁰ = 625325230489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (625325201513) 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, 413027798 + ... + 413029311.

It is an arithmetic number, because the mean of its divisors is an integer number (156537822345).

Almost surely, 2^625325231513 is an apocalyptic number.

It is an amenable number.

625325231513 is a deficient number, since it is larger than the sum of its proper divisors (826057867).

625325231513 is an equidigital number, since it uses as much as digits as its factorization.

625325231513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826057866.

The product of its digits is 162000, while the sum is 38.

The spelling of 625325231513 in words is "six hundred twenty-five billion, three hundred twenty-five million, two hundred thirty-one thousand, five hundred thirteen".