60249557 has 2 divisors, whose sum is σ = 60249558. Its totient is φ = 60249556.

The previous prime is 60249503. The next prime is 60249569. The reversal of 60249557 is 75594206.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 23755876 = 6041^2 + 4874^2 .

It is a cyclic number.

It is not a de Polignac number, because 60249557 - 2¹⁰ = 60248533 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60249557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60249577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30124778 + 30124779.

It is an arithmetic number, because the mean of its divisors is an integer number (30124779).

Almost surely, 2^60249557 is an apocalyptic number.

It is an amenable number.

60249557 is a deficient number, since it is larger than the sum of its proper divisors (1).

60249557 is an equidigital number, since it uses as much as digits as its factorization.

60249557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 60249557 is about 7762.0588119390. The cubic root of 60249557 is about 392.0287814665.

It can be divided in two parts, 60249 and 557, that added together give a palindrome (60806).

The spelling of 60249557 in words is "sixty million, two hundred forty-nine thousand, five hundred fifty-seven".