625694501 has 2 divisors, whose sum is σ = 625694502. Its totient is φ = 625694500.

The previous prime is 625694497. The next prime is 625694519. The reversal of 625694501 is 105496526.

625694501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 621305476 + 4389025 = 24926^2 + 2095^2 .

It is a cyclic number.

It is not a de Polignac number, because 625694501 - 2² = 625694497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625694101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312847250 + 312847251.

It is an arithmetic number, because the mean of its divisors is an integer number (312847251).

Almost surely, 2^625694501 is an apocalyptic number.

It is an amenable number.

625694501 is a deficient number, since it is larger than the sum of its proper divisors (1).

625694501 is an equidigital number, since it uses as much as digits as its factorization.

625694501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 625694501 is about 25013.8861634893. The cubic root of 625694501 is about 855.3045441106.

The spelling of 625694501 in words is "six hundred twenty-five million, six hundred ninety-four thousand, five hundred one".