2621250623 has 2 divisors, whose sum is σ = 2621250624. Its totient is φ = 2621250622.

The previous prime is 2621250617. The next prime is 2621250649. The reversal of 2621250623 is 3260521262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2621250623 - 2¹² = 2621246527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2621250613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310625311 + 1310625312.

It is an arithmetic number, because the mean of its divisors is an integer number (1310625312).

Almost surely, 2^2621250623 is an apocalyptic number.

2621250623 is a deficient number, since it is larger than the sum of its proper divisors (1).

2621250623 is an equidigital number, since it uses as much as digits as its factorization.

2621250623 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2621250623 is about 51198.1505818325. The cubic root of 2621250623 is about 1378.8049976650.

Adding to 2621250623 its reverse (3260521262), we get a palindrome (5881771885).

The spelling of 2621250623 in words is "two billion, six hundred twenty-one million, two hundred fifty thousand, six hundred twenty-three".