625254423 has 8 divisors (see below), whose sum is σ = 834315648. Its totient is φ = 416514744.

The previous prime is 625254419. The next prime is 625254433. The reversal of 625254423 is 324452526.

It is a happy number.

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

It is not a de Polignac number, because 625254423 - 2² = 625254419 is a prime.

It is a super-3 number, since 3×625254423³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625254403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75811 + ... + 83652.

It is an arithmetic number, because the mean of its divisors is an integer number (104289456).

Almost surely, 2^625254423 is an apocalyptic number.

625254423 is a deficient number, since it is larger than the sum of its proper divisors (209061225).

625254423 is a wasteful number, since it uses less digits than its factorization.

625254423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160773.

The product of its digits is 57600, while the sum is 33.

The square root of 625254423 is about 25005.0879422569. The cubic root of 625254423 is about 855.1039728556.

The spelling of 625254423 in words is "six hundred twenty-five million, two hundred fifty-four thousand, four hundred twenty-three".