1625460773 has 4 divisors (see below), whose sum is σ = 1711011360. Its totient is φ = 1539910188.

The previous prime is 1625460757. The next prime is 1625460779. The reversal of 1625460773 is 3770645261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3770645261 = 21283 ⋅177167.

It is a cyclic number.

It is not a de Polignac number, because 1625460773 - 2⁴ = 1625460757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1625460773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625460779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42775265 + ... + 42775302.

It is an arithmetic number, because the mean of its divisors is an integer number (427752840).

Almost surely, 2^1625460773 is an apocalyptic number.

It is an amenable number.

1625460773 is a deficient number, since it is larger than the sum of its proper divisors (85550587).

1625460773 is an equidigital number, since it uses as much as digits as its factorization.

1625460773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85550586.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 1625460773 is about 40317.0035220873. The cubic root of 1625460773 is about 1175.7784545425.

The spelling of 1625460773 in words is "one billion, six hundred twenty-five million, four hundred sixty thousand, seven hundred seventy-three".