61963497 has 6 divisors (see below), whose sum is σ = 89502842. Its totient is φ = 41308992.

The previous prime is 61963483. The next prime is 61963501. The reversal of 61963497 is 79436916.

61963497 is a `hidden beast` number, since 6 + 1 + 9 + 634 + 9 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 52359696 + 9603801 = 7236^2 + 3099^2 .

It is not a de Polignac number, because 61963497 - 2⁴ = 61963481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61963417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3442408 + ... + 3442425.

Almost surely, 2^61963497 is an apocalyptic number.

It is an amenable number.

61963497 is a deficient number, since it is larger than the sum of its proper divisors (27539345).

61963497 is a wasteful number, since it uses less digits than its factorization.

61963497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884839 (or 6884836 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 61963497 is about 7871.6895899165. The cubic root of 61963497 is about 395.7114710324.

The spelling of 61963497 in words is "sixty-one million, nine hundred sixty-three thousand, four hundred ninety-seven".