61358297 has 16 divisors (see below), whose sum is σ = 82384512. Its totient is φ = 44133120.

The previous prime is 61358281. The next prime is 61358351. The reversal of 61358297 is 79285316.

It is a cyclic number.

It is not a de Polignac number, because 61358297 - 2⁴ = 61358281 is a prime.

It is a super-2 number, since 2×61358297² = 7529681221480418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61358237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29648 + ... + 31649.

It is an arithmetic number, because the mean of its divisors is an integer number (5149032).

Almost surely, 2^61358297 is an apocalyptic number.

It is an amenable number.

61358297 is a deficient number, since it is larger than the sum of its proper divisors (21026215).

61358297 is a wasteful number, since it uses less digits than its factorization.

61358297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61328.

The product of its digits is 90720, while the sum is 41.

The square root of 61358297 is about 7833.1537071604. The cubic root of 61358297 is about 394.4189437782.

The spelling of 61358297 in words is "sixty-one million, three hundred fifty-eight thousand, two hundred ninety-seven".