61029297 has 24 divisors (see below), whose sum is σ = 104000000. Its totient is φ = 33747840.

The previous prime is 61029289. The next prime is 61029301. The reversal of 61029297 is 79292016.

It is not a de Polignac number, because 61029297 - 2³ = 61029289 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61029247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13672 + ... + 17577.

Almost surely, 2^61029297 is an apocalyptic number.

It is an amenable number.

61029297 is a deficient number, since it is larger than the sum of its proper divisors (42970703).

61029297 is a wasteful number, since it uses less digits than its factorization.

61029297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31293 (or 31290 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 61029297 is about 7812.1249990000. The cubic root of 61029297 is about 393.7127287473.

The spelling of 61029297 in words is "sixty-one million, twenty-nine thousand, two hundred ninety-seven".