625009463 has 8 divisors (see below), whose sum is σ = 676577328. Its totient is φ = 573940224.

The previous prime is 625009457. The next prime is 625009487. The reversal of 625009463 is 364900526.

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

It is not a de Polignac number, because 625009463 - 2⁴ = 625009447 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 (625009423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122045 + ... + 127062.

It is an arithmetic number, because the mean of its divisors is an integer number (84572166).

Almost surely, 2^625009463 is an apocalyptic number.

625009463 is a deficient number, since it is larger than the sum of its proper divisors (51567865).

625009463 is a wasteful number, since it uses less digits than its factorization.

625009463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249313.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 625009463 is about 25000.1892592836. The cubic root of 625009463 is about 854.9922883839.

Adding to 625009463 its reverse (364900526), we get a palindrome (989909989).

The spelling of 625009463 in words is "six hundred twenty-five million, nine thousand, four hundred sixty-three".