625254331 has 8 divisors (see below), whose sum is σ = 684390224. Its totient is φ = 567695520.

The previous prime is 625254319. The next prime is 625254361. The reversal of 625254331 is 133452526.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 625254331 - 2¹⁷ = 625123259 is a prime.

It is a super-3 number, since 3×625254331³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 625254293 and 625254302.

It is not an unprimeable number, because it can be changed into a prime (625254361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393441 + ... + 395026.

It is an arithmetic number, because the mean of its divisors is an integer number (85548778).

Almost surely, 2^625254331 is an apocalyptic number.

625254331 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

625254331 is a deficient number, since it is larger than the sum of its proper divisors (59135893).

625254331 is a wasteful number, since it uses less digits than its factorization.

625254331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788541.

The product of its digits is 21600, while the sum is 31.

The square root of 625254331 is about 25005.0861026312. The cubic root of 625254331 is about 855.1039309156.

The spelling of 625254331 in words is "six hundred twenty-five million, two hundred fifty-four thousand, three hundred thirty-one".