625148436 has 36 divisors (see below), whose sum is σ = 1603345856. Its totient is φ = 189438480.

The previous prime is 625148401. The next prime is 625148453. The reversal of 625148436 is 634841526.

It is a junction number, because it is equal to n+sod(n) for n = 625148394 and 625148403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213820 + ... + 216723.

Almost surely, 2^625148436 is an apocalyptic number.

625148436 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

625148436 is an abundant number, since it is smaller than the sum of its proper divisors (978197420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

625148436 is a wasteful number, since it uses less digits than its factorization.

625148436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430572 (or 430559 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 625148436 is about 25002.9685437550. The cubic root of 625148436 is about 855.0556538445.

The spelling of 625148436 in words is "six hundred twenty-five million, one hundred forty-eight thousand, four hundred thirty-six".