2351641 has 2 divisors, whose sum is σ = 2351642. Its totient is φ = 2351640.

The previous prime is 2351617. The next prime is 2351653. The reversal of 2351641 is 1461532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 335241 = 1420^2 + 579^2 .

It is a cyclic number.

It is not a de Polignac number, because 2351641 - 2⁷ = 2351513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2351441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1175820 + 1175821.

It is an arithmetic number, because the mean of its divisors is an integer number (1175821).

2^2351641 is an apocalyptic number.

It is an amenable number.

2351641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2351641 is an equidigital number, since it uses as much as digits as its factorization.

2351641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 2351641 is about 1533.5061134537. The cubic root of 2351641 is about 132.9812286244.

It can be divided in two parts, 2351 and 641, that added together give a palindrome (2992).

The spelling of 2351641 in words is "two million, three hundred fifty-one thousand, six hundred forty-one".