2025191401 has 4 divisors (see below), whose sum is σ = 2032664704. Its totient is φ = 2017718100.

The previous prime is 2025191353. The next prime is 2025191407. The reversal of 2025191401 is 1041915202.

It is a happy number.

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 2025191401 - 2²³ = 2016802793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025191407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3736245 + ... + 3736786.

It is an arithmetic number, because the mean of its divisors is an integer number (508166176).

Almost surely, 2^2025191401 is an apocalyptic number.

It is an amenable number.

2025191401 is a deficient number, since it is larger than the sum of its proper divisors (7473303).

2025191401 is an equidigital number, since it uses as much as digits as its factorization.

2025191401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473302.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2025191401 is about 45002.1266275273. The cubic root of 2025191401 is about 1265.1888569081.

The spelling of 2025191401 in words is "two billion, twenty-five million, one hundred ninety-one thousand, four hundred one".