61963197 has 16 divisors (see below), whose sum is σ = 85706112. Its totient is φ = 39787200.

The previous prime is 61963189. The next prime is 61963241. The reversal of 61963197 is 79136916.

It is not a de Polignac number, because 61963197 - 2³ = 61963189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61963117) 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, 8448 + ... + 13974.

It is an arithmetic number, because the mean of its divisors is an integer number (5356632).

Almost surely, 2^61963197 is an apocalyptic number.

It is an amenable number.

61963197 is a deficient number, since it is larger than the sum of its proper divisors (23742915).

61963197 is a wasteful number, since it uses less digits than its factorization.

61963197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5668.

The product of its digits is 61236, while the sum is 42.

The square root of 61963197 is about 7871.6705342640. The cubic root of 61963197 is about 395.7108324111.

The spelling of 61963197 in words is "sixty-one million, nine hundred sixty-three thousand, one hundred ninety-seven".