625012249 has 4 divisors (see below), whose sum is σ = 629508880. Its totient is φ = 620515620.

The previous prime is 625012183. The next prime is 625012273. The reversal of 625012249 is 942210526.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 625012249 - 2⁷ = 625012121 is a prime.

It is a super-2 number, since 2×625012249² = 781280622800076002, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 625012249.

It is not an unprimeable number, because it can be changed into a prime (625012279) 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, 2248107 + ... + 2248384.

It is an arithmetic number, because the mean of its divisors is an integer number (157377220).

Almost surely, 2^625012249 is an apocalyptic number.

It is an amenable number.

625012249 is a deficient number, since it is larger than the sum of its proper divisors (4496631).

625012249 is a wasteful number, since it uses less digits than its factorization.

625012249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4496630.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 625012249 is about 25000.2449787997. The cubic root of 625012249 is about 854.9935587673.

The spelling of 625012249 in words is "six hundred twenty-five million, twelve thousand, two hundred forty-nine".