61954508 has 24 divisors (see below), whose sum is σ = 135174144. Its totient is φ = 24138000.

The previous prime is 61954489. The next prime is 61954513. The reversal of 61954508 is 80545916.

It is a super-2 number, since 2×61954508² = 7676722123044128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100268 + ... + 100883.

It is an arithmetic number, because the mean of its divisors is an integer number (5632256).

Almost surely, 2^61954508 is an apocalyptic number.

It is an amenable number.

61954508 is an abundant number, since it is smaller than the sum of its proper divisors (73219636).

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

61954508 is a wasteful number, since it uses less digits than its factorization.

61954508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201173 (or 201171 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 61954508 is about 7871.1185990303. The cubic root of 61954508 is about 395.6923349141.

The spelling of 61954508 in words is "sixty-one million, nine hundred fifty-four thousand, five hundred eight".