787256925 has 144 divisors (see below), whose sum is σ = 1699176960. Its totient is φ = 314046720.

The previous prime is 787256917. The next prime is 787256933. The reversal of 787256925 is 529652787.

It is an interprime number because it is at equal distance from previous prime (787256917) and next prime (787256933).

It is not a de Polignac number, because 787256925 - 2³ = 787256917 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 1685542 + ... + 1686008.

It is an arithmetic number, because the mean of its divisors is an integer number (11799840).

Almost surely, 2^787256925 is an apocalyptic number.

787256925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

787256925 is an abundant number, since it is smaller than the sum of its proper divisors (911920035).

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

787256925 is a wasteful number, since it uses less digits than its factorization.

787256925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 514 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 51.

The square root of 787256925 is about 28058.0990981214. The cubic root of 787256925 is about 923.3623519431.

The spelling of 787256925 in words is "seven hundred eighty-seven million, two hundred fifty-six thousand, nine hundred twenty-five".