61461954 has 24 divisors (see below), whose sum is σ = 134464512. Its totient is φ = 20287800.

The previous prime is 61461929. The next prime is 61461971. The reversal of 61461954 is 45916416.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14722 + ... + 18429.

It is an arithmetic number, because the mean of its divisors is an integer number (5602688).

Almost surely, 2^61461954 is an apocalyptic number.

61461954 is an abundant number, since it is smaller than the sum of its proper divisors (73002558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61461954 is a wasteful number, since it uses less digits than its factorization.

61461954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33262 (or 33259 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 61461954 is about 7839.7674710415. The cubic root of 61461954 is about 394.6409256188.

It can be divided in two parts, 6146 and 1954, that added together give a square (8100 = 90²).

The spelling of 61461954 in words is "sixty-one million, four hundred sixty-one thousand, nine hundred fifty-four".