1625364655 has 8 divisors (see below), whose sum is σ = 1950714000. Its totient is φ = 1300107456.

The previous prime is 1625364649. The next prime is 1625364661. The reversal of 1625364655 is 5564635261.

It is an interprime number because it is at equal distance from previous prime (1625364649) and next prime (1625364661).

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

It is a cyclic number.

It is not a de Polignac number, because 1625364655 - 2²⁵ = 1591810223 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24811 + ... + 62179.

It is an arithmetic number, because the mean of its divisors is an integer number (243839250).

Almost surely, 2^1625364655 is an apocalyptic number.

1625364655 is a deficient number, since it is larger than the sum of its proper divisors (325349345).

1625364655 is an equidigital number, since it uses as much as digits as its factorization.

1625364655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46073.

The product of its digits is 648000, while the sum is 43.

The square root of 1625364655 is about 40315.8114763922. The cubic root of 1625364655 is about 1175.7552784062.

It can be divided in two parts, 16253 and 64655, that added together give a palindrome (80908).

The spelling of 1625364655 in words is "one billion, six hundred twenty-five million, three hundred sixty-four thousand, six hundred fifty-five".