1625362245 has 48 divisors (see below), whose sum is σ = 3038795760. Its totient is φ = 798916608.

The previous prime is 1625362243. The next prime is 1625362253. The reversal of 1625362245 is 5422635261.

1625362245 is a `hidden beast` number, since 1 + 6 + 25 + 3 + 622 + 4 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 677769156 + 947593089 = 26034^2 + 30783^2 .

It is not a de Polignac number, because 1625362245 - 2¹ = 1625362243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625362243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 448059 + ... + 451671.

It is an arithmetic number, because the mean of its divisors is an integer number (63308245).

Almost surely, 2^1625362245 is an apocalyptic number.

1625362245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1625362245 is a deficient number, since it is larger than the sum of its proper divisors (1413433515).

1625362245 is a wasteful number, since it uses less digits than its factorization.

1625362245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406 (or 4403 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1625362245 is about 40315.7815873635. The cubic root of 1625362245 is about 1175.7546972912.

The spelling of 1625362245 in words is "one billion, six hundred twenty-five million, three hundred sixty-two thousand, two hundred forty-five".