625142241 has 24 divisors (see below), whose sum is σ = 989075880. Its totient is φ = 378717696.

The previous prime is 625142239. The next prime is 625142339. The reversal of 625142241 is 142241526.

625142241 is a `hidden beast` number, since 625 + 14 + 2 + 24 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 342398016 + 282744225 = 18504^2 + 16815^2 .

It is not a de Polignac number, because 625142241 - 2¹ = 625142239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (625142201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66010 + ... + 74883.

It is an arithmetic number, because the mean of its divisors is an integer number (41211495).

Almost surely, 2^625142241 is an apocalyptic number.

It is an amenable number.

625142241 is a deficient number, since it is larger than the sum of its proper divisors (363933639).

625142241 is a wasteful number, since it uses less digits than its factorization.

625142241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140945 (or 140942 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 625142241 is about 25002.8446581584. The cubic root of 625142241 is about 855.0528294021.

Adding to 625142241 its reverse (142241526), we get a palindrome (767383767).

The spelling of 625142241 in words is "six hundred twenty-five million, one hundred forty-two thousand, two hundred forty-one".