625667965 has 32 divisors (see below), whose sum is σ = 866589696. Its totient is φ = 429960960.

The previous prime is 625667941. The next prime is 625667969. The reversal of 625667965 is 569766526.

It is not a de Polignac number, because 625667965 - 2¹¹ = 625665917 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 (625667969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49660 + ... + 60970.

It is an arithmetic number, because the mean of its divisors is an integer number (27080928).

Almost surely, 2^625667965 is an apocalyptic number.

625667965 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

625667965 is a deficient number, since it is larger than the sum of its proper divisors (240921731).

625667965 is a wasteful number, since it uses less digits than its factorization.

625667965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11389.

The product of its digits is 4082400, while the sum is 52.

The square root of 625667965 is about 25013.3557324882. The cubic root of 625667965 is about 855.2924526495.

The spelling of 625667965 in words is "six hundred twenty-five million, six hundred sixty-seven thousand, nine hundred sixty-five".