2501623 has 2 divisors, whose sum is σ = 2501624. Its totient is φ = 2501622.

The previous prime is 2501599. The next prime is 2501647. The reversal of 2501623 is 3261052.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2501599) and next prime (2501647).

It is a cyclic number.

It is not a de Polignac number, because 2501623 - 2⁵ = 2501591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2501623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2501923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250811 + 1250812.

It is an arithmetic number, because the mean of its divisors is an integer number (1250812).

2^2501623 is an apocalyptic number.

2501623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2501623 is an equidigital number, since it uses as much as digits as its factorization.

2501623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2501623 is about 1581.6519844770. The cubic root of 2501623 is about 135.7502444750.

Adding to 2501623 its reverse (3261052), we get a palindrome (5762675).

The spelling of 2501623 in words is "two million, five hundred one thousand, six hundred twenty-three".