1625361123 has 32 divisors (see below), whose sum is σ = 2282250816. Its totient is φ = 1027772928.

The previous prime is 1625361121. The next prime is 1625361139. The reversal of 1625361123 is 3211635261.

It is not a de Polignac number, because 1625361123 - 2¹ = 1625361121 is a prime.

It is a super-2 number, since 2×1625361123² = 5283597560319642258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1625361121) 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 31 ways as a sum of consecutive naturals, for example, 1016961 + ... + 1018557.

It is an arithmetic number, because the mean of its divisors is an integer number (71320338).

Almost surely, 2^1625361123 is an apocalyptic number.

1625361123 is a deficient number, since it is larger than the sum of its proper divisors (656889693).

1625361123 is a wasteful number, since it uses less digits than its factorization.

1625361123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1863.

The product of its digits is 6480, while the sum is 30.

The square root of 1625361123 is about 40315.7676722148. The cubic root of 1625361123 is about 1175.7544267470.

Adding to 1625361123 its reverse (3211635261), we get a palindrome (4836996384).

The spelling of 1625361123 in words is "one billion, six hundred twenty-five million, three hundred sixty-one thousand, one hundred twenty-three".