1625396201 has 24 divisors (see below), whose sum is σ = 1924697376. Its totient is φ = 1360669440.

The previous prime is 1625396191. The next prime is 1625396207. The reversal of 1625396201 is 1026935261.

It is a de Polignac number, because none of the positive numbers 2^k-1625396201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1625396207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1045841 + ... + 1047393.

It is an arithmetic number, because the mean of its divisors is an integer number (80195724).

Almost surely, 2^1625396201 is an apocalyptic number.

1625396201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1625396201 is a deficient number, since it is larger than the sum of its proper divisors (299301175).

1625396201 is a wasteful number, since it uses less digits than its factorization.

1625396201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 1625396201 is about 40316.2027105728. The cubic root of 1625396201 is about 1175.7628849324.

The spelling of 1625396201 in words is "one billion, six hundred twenty-five million, three hundred ninety-six thousand, two hundred one".