60617621 has 2 divisors, whose sum is σ = 60617622. Its totient is φ = 60617620.

The previous prime is 60617611. The next prime is 60617629. The reversal of 60617621 is 12671606.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56415121 + 4202500 = 7511^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 60617621 - 2¹⁰ = 60616597 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60617629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30308810 + 30308811.

It is an arithmetic number, because the mean of its divisors is an integer number (30308811).

Almost surely, 2^60617621 is an apocalyptic number.

It is an amenable number.

60617621 is a deficient number, since it is larger than the sum of its proper divisors (1).

60617621 is an equidigital number, since it uses as much as digits as its factorization.

60617621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 60617621 is about 7785.7318859565. The cubic root of 60617621 is about 392.8254614546.

The spelling of 60617621 in words is "sixty million, six hundred seventeen thousand, six hundred twenty-one".