61496963 has 16 divisors (see below), whose sum is σ = 72271872. Its totient is φ = 51744000.

The previous prime is 61496947. The next prime is 61496983. The reversal of 61496963 is 36969416.

It is a Cunningham number, because it is equal to 7842²-1.

It is not a de Polignac number, because 61496963 - 2⁴ = 61496947 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61496983) 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, 3923 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (4516992).

Almost surely, 2^61496963 is an apocalyptic number.

61496963 is a deficient number, since it is larger than the sum of its proper divisors (10774909).

61496963 is a wasteful number, since it uses less digits than its factorization.

61496963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7906.

The product of its digits is 209952, while the sum is 44.

The square root of 61496963 is about 7841.9999362408. Note that the first 4 decimals coincide. The cubic root of 61496963 is about 394.7158411336.

The spelling of 61496963 in words is "sixty-one million, four hundred ninety-six thousand, nine hundred sixty-three".