625061049 has 12 divisors (see below), whose sum is σ = 885324144. Its totient is φ = 392194624.

The previous prime is 625061011. The next prime is 625061057. The reversal of 625061049 is 940160526.

It is not a de Polignac number, because 625061049 - 2¹⁵ = 625028281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (625061249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359607 + ... + 361340.

It is an arithmetic number, because the mean of its divisors is an integer number (73777012).

Almost surely, 2^625061049 is an apocalyptic number.

It is an amenable number.

625061049 is a deficient number, since it is larger than the sum of its proper divisors (260263095).

625061049 is a wasteful number, since it uses less digits than its factorization.

625061049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720984 (or 720967 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 625061049 is about 25001.2209501856. The cubic root of 625061049 is about 855.0158103844.

The spelling of 625061049 in words is "six hundred twenty-five million, sixty-one thousand, forty-nine".