61954546 has 4 divisors (see below), whose sum is σ = 92931822. Its totient is φ = 30977272.

The previous prime is 61954517. The next prime is 61954559. The reversal of 61954546 is 64545916.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 50965321 + 10989225 = 7139^2 + 3315^2 .

It is a super-2 number, since 2×61954546² = 7676731540132232, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 61954499 and 61954508.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15488635 + ... + 15488638.

Almost surely, 2^61954546 is an apocalyptic number.

61954546 is a deficient number, since it is larger than the sum of its proper divisors (30977276).

61954546 is a wasteful number, since it uses less digits than its factorization.

61954546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30977275.

The product of its digits is 129600, while the sum is 40.

The square root of 61954546 is about 7871.1210129180. The cubic root of 61954546 is about 395.6924158138.

It can be divided in two parts, 61954 and 546, that added together give a square (62500 = 250²).

The spelling of 61954546 in words is "sixty-one million, nine hundred fifty-four thousand, five hundred forty-six".