624687041 has 4 divisors (see below), whose sum is σ = 681476784. Its totient is φ = 567897300.

The previous prime is 624687017. The next prime is 624687053. The reversal of 624687041 is 140786426.

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 624687041 - 2¹⁰ = 624686017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 624686986 and 624687004.

It is not an unprimeable number, because it can be changed into a prime (624687071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28394855 + ... + 28394876.

It is an arithmetic number, because the mean of its divisors is an integer number (170369196).

Almost surely, 2^624687041 is an apocalyptic number.

It is an amenable number.

624687041 is a deficient number, since it is larger than the sum of its proper divisors (56789743).

624687041 is a wasteful number, since it uses less digits than its factorization.

624687041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56789742.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 624687041 is about 24993.7400362571. The cubic root of 624687041 is about 854.8452422156.

The spelling of 624687041 in words is "six hundred twenty-four million, six hundred eighty-seven thousand, forty-one".