60997255 has 16 divisors (see below), whose sum is σ = 81164448. Its totient is φ = 43632000.

The previous prime is 60997253. The next prime is 60997259. The reversal of 60997255 is 55279906.

It is a happy number.

It is not a de Polignac number, because 60997255 - 2¹ = 60997253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60997253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5736 + ... + 12445.

It is an arithmetic number, because the mean of its divisors is an integer number (5072778).

Almost surely, 2^60997255 is an apocalyptic number.

60997255 is a deficient number, since it is larger than the sum of its proper divisors (20167193).

60997255 is a wasteful number, since it uses less digits than its factorization.

60997255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 60997255 is about 7810.0739433119. The cubic root of 60997255 is about 393.6438134759.

The spelling of 60997255 in words is "sixty million, nine hundred ninety-seven thousand, two hundred fifty-five".