60649157 has 2 divisors, whose sum is σ = 60649158. Its totient is φ = 60649156.

The previous prime is 60649151. The next prime is 60649177. The reversal of 60649157 is 75194606.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35988001 + 24661156 = 5999^2 + 4966^2 .

It is a cyclic number.

It is not a de Polignac number, because 60649157 - 2²⁰ = 59600581 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 60649157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60649151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30324578 + 30324579.

It is an arithmetic number, because the mean of its divisors is an integer number (30324579).

Almost surely, 2^60649157 is an apocalyptic number.

It is an amenable number.

60649157 is a deficient number, since it is larger than the sum of its proper divisors (1).

60649157 is an equidigital number, since it uses as much as digits as its factorization.

60649157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 60649157 is about 7787.7568657477. The cubic root of 60649157 is about 392.8935714413.

It can be divided in two parts, 60649 and 157, that added together give a palindrome (60806).

The spelling of 60649157 in words is "sixty million, six hundred forty-nine thousand, one hundred fifty-seven".