1612250401 has 4 divisors (see below), whose sum is σ = 1612469952. Its totient is φ = 1612030852.

The previous prime is 1612250399. The next prime is 1612250429. The reversal of 1612250401 is 1040522161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1612250401 - 2¹ = 1612250399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612257401) 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 3 ways as a sum of consecutive naturals, for example, 98365 + ... + 113578.

It is an arithmetic number, because the mean of its divisors is an integer number (403117488).

Almost surely, 2^1612250401 is an apocalyptic number.

It is an amenable number.

1612250401 is a deficient number, since it is larger than the sum of its proper divisors (219551).

1612250401 is an equidigital number, since it uses as much as digits as its factorization.

1612250401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219550.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1612250401 is about 40152.8380192484. The cubic root of 1612250401 is about 1172.5845417103.

Adding to 1612250401 its reverse (1040522161), we get a palindrome (2652772562).

The spelling of 1612250401 in words is "one billion, six hundred twelve million, two hundred fifty thousand, four hundred one".