625012237 has 4 divisors (see below), whose sum is σ = 629207100. Its totient is φ = 620817376.

The previous prime is 625012183. The next prime is 625012273. The reversal of 625012237 is 732210526.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 732210526 = 2 ⋅366105263.

It can be written as a sum of positive squares in 2 ways, for example, as 110901961 + 514110276 = 10531^2 + 22674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-625012237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625012537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2097208 + ... + 2097505.

It is an arithmetic number, because the mean of its divisors is an integer number (157301775).

Almost surely, 2^625012237 is an apocalyptic number.

It is an amenable number.

625012237 is a deficient number, since it is larger than the sum of its proper divisors (4194863).

625012237 is a wasteful number, since it uses less digits than its factorization.

625012237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4194862.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 625012237 is about 25000.2447388021. The cubic root of 625012237 is about 854.9935532954.

The spelling of 625012237 in words is "six hundred twenty-five million, twelve thousand, two hundred thirty-seven".