61023963 has 48 divisors (see below), whose sum is σ = 111234816. Its totient is φ = 29252160.

The previous prime is 61023959. The next prime is 61023979. The reversal of 61023963 is 36932016.

It is a happy number.

It is not a de Polignac number, because 61023963 - 2² = 61023959 is a prime.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61023963.

It is not an unprimeable number, because it can be changed into a prime (61023913) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19570 + ... + 22472.

It is an arithmetic number, because the mean of its divisors is an integer number (2317392).

Almost surely, 2^61023963 is an apocalyptic number.

61023963 is a deficient number, since it is larger than the sum of its proper divisors (50210853).

61023963 is a wasteful number, since it uses less digits than its factorization.

61023963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 30.

The square root of 61023963 is about 7811.7835991533. The cubic root of 61023963 is about 393.7012581641.

Adding to 61023963 its reverse (36932016), we get a palindrome (97955979).

The spelling of 61023963 in words is "sixty-one million, twenty-three thousand, nine hundred sixty-three".