625692241 has 2 divisors, whose sum is σ = 625692242. Its totient is φ = 625692240.

The previous prime is 625692229. The next prime is 625692307. The reversal of 625692241 is 142296526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 397803025 + 227889216 = 19945^2 + 15096^2 .

It is a cyclic number.

It is not a de Polignac number, because 625692241 - 2⁵ = 625692209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 625692241.

It is not a weakly prime, because it can be changed into another prime (625695241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312846120 + 312846121.

It is an arithmetic number, because the mean of its divisors is an integer number (312846121).

Almost surely, 2^625692241 is an apocalyptic number.

It is an amenable number.

625692241 is a deficient number, since it is larger than the sum of its proper divisors (1).

625692241 is an equidigital number, since it uses as much as digits as its factorization.

625692241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The square root of 625692241 is about 25013.8409885407. The cubic root of 625692241 is about 855.3035143266.

The spelling of 625692241 in words is "six hundred twenty-five million, six hundred ninety-two thousand, two hundred forty-one".