2321625391 has 2 divisors, whose sum is σ = 2321625392. Its totient is φ = 2321625390.

The previous prime is 2321625373. The next prime is 2321625401. The reversal of 2321625391 is 1935261232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2321625391 - 2¹⁷ = 2321494319 is a prime.

It is a super-2 number, since 2×2321625391² = 10779888912271805762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321625311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160812695 + 1160812696.

It is an arithmetic number, because the mean of its divisors is an integer number (1160812696).

Almost surely, 2^2321625391 is an apocalyptic number.

2321625391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321625391 is an equidigital number, since it uses as much as digits as its factorization.

2321625391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 2321625391 is about 48183.2480329004. The cubic root of 2321625391 is about 1324.1302736200.

The spelling of 2321625391 in words is "two billion, three hundred twenty-one million, six hundred twenty-five thousand, three hundred ninety-one".