1625160101 has 8 divisors (see below), whose sum is σ = 1728276120. Its totient is φ = 1522879488.

The previous prime is 1625160077. The next prime is 1625160137. The reversal of 1625160101 is 1010615261.

It can be written as a sum of positive squares in 4 ways, for example, as 623500900 + 1001659201 = 24970^2 + 31649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1625160101 - 2¹⁰ = 1625159077 is a prime.

It is a super-2 number, since 2×1625160101² = 5282290707764660402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1625160181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204836 + ... + 212621.

It is an arithmetic number, because the mean of its divisors is an integer number (216034515).

Almost surely, 2^1625160101 is an apocalyptic number.

It is an amenable number.

1625160101 is a deficient number, since it is larger than the sum of its proper divisors (103116019).

1625160101 is a wasteful number, since it uses less digits than its factorization.

1625160101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417703.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 1625160101 is about 40313.2745010871. The cubic root of 1625160101 is about 1175.7059529550.

Adding to 1625160101 its reverse (1010615261), we get a palindrome (2635775362).

It can be divided in two parts, 1625160 and 101, that added together give a palindrome (1625261).

The spelling of 1625160101 in words is "one billion, six hundred twenty-five million, one hundred sixty thousand, one hundred one".