61362197 has 8 divisors (see below), whose sum is σ = 69969816. Its totient is φ = 53309952.

The previous prime is 61362187. The next prime is 61362211. The reversal of 61362197 is 79126316.

It can be written as a sum of positive squares in 4 ways, for example, as 37636 + 61324561 = 194^2 + 7831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61362197 - 2²² = 57167893 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 (61362107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138608 + ... + 139049.

It is an arithmetic number, because the mean of its divisors is an integer number (8746227).

Almost surely, 2^61362197 is an apocalyptic number.

It is an amenable number.

61362197 is a deficient number, since it is larger than the sum of its proper divisors (8607619).

61362197 is a wasteful number, since it uses less digits than its factorization.

61362197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277687.

The product of its digits is 13608, while the sum is 35.

The square root of 61362197 is about 7833.4026450834. The cubic root of 61362197 is about 394.4273001666.

The spelling of 61362197 in words is "sixty-one million, three hundred sixty-two thousand, one hundred ninety-seven".