624361349 has 4 divisors (see below), whose sum is σ = 626150700. Its totient is φ = 622572000.

The previous prime is 624361321. The next prime is 624361373. The reversal of 624361349 is 943163426.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 275792449 + 348568900 = 16607^2 + 18670^2 .

It is a cyclic number.

It is not a de Polignac number, because 624361349 - 2¹⁶ = 624295813 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 (624361399) 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, 894152 + ... + 894849.

It is an arithmetic number, because the mean of its divisors is an integer number (156537675).

Almost surely, 2^624361349 is an apocalyptic number.

It is an amenable number.

624361349 is a deficient number, since it is larger than the sum of its proper divisors (1789351).

624361349 is a wasteful number, since it uses less digits than its factorization.

624361349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789350.

The product of its digits is 93312, while the sum is 38.

The square root of 624361349 is about 24987.2237153310. The cubic root of 624361349 is about 854.6966533286.

The spelling of 624361349 in words is "six hundred twenty-four million, three hundred sixty-one thousand, three hundred forty-nine".