1625462633 has 4 divisors (see below), whose sum is σ = 1721078100. Its totient is φ = 1529847168.

The previous prime is 1625462611. The next prime is 1625462639. The reversal of 1625462633 is 3362645261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1359544384 + 265918249 = 36872^2 + 16307^2 .

It is a cyclic number.

It is not a de Polignac number, because 1625462633 - 2³⁰ = 551720809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625462639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47807708 + ... + 47807741.

It is an arithmetic number, because the mean of its divisors is an integer number (430269525).

Almost surely, 2^1625462633 is an apocalyptic number.

It is an amenable number.

1625462633 is a deficient number, since it is larger than the sum of its proper divisors (95615467).

1625462633 is an equidigital number, since it uses as much as digits as its factorization.

1625462633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95615466.

The product of its digits is 155520, while the sum is 38.

The square root of 1625462633 is about 40317.0265892712. The cubic root of 1625462633 is about 1175.7789030199.

It can be divided in two parts, 16254 and 62633, that added together give a palindrome (78887).

The spelling of 1625462633 in words is "one billion, six hundred twenty-five million, four hundred sixty-two thousand, six hundred thirty-three".