60961549 has 4 divisors (see below), whose sum is σ = 66503520. Its totient is φ = 55419580.

The previous prime is 60961543. The next prime is 60961553. The reversal of 60961549 is 94516906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 60961549 - 2⁹ = 60961037 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60961543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770969 + ... + 2770990.

It is an arithmetic number, because the mean of its divisors is an integer number (16625880).

Almost surely, 2^60961549 is an apocalyptic number.

It is an amenable number.

60961549 is a deficient number, since it is larger than the sum of its proper divisors (5541971).

60961549 is a wasteful number, since it uses less digits than its factorization.

60961549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541970.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 60961549 is about 7807.7877148396. The cubic root of 60961549 is about 393.5669893114.

The spelling of 60961549 in words is "sixty million, nine hundred sixty-one thousand, five hundred forty-nine".