61415238 has 8 divisors (see below), whose sum is σ = 122830488. Its totient is φ = 20471744.

The previous prime is 61415219. The next prime is 61415273. The reversal of 61415238 is 83251416.

It is a sphenic number, since it is the product of 3 distinct primes.

61415238 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117931 + ... + 5117942.

It is an arithmetic number, because the mean of its divisors is an integer number (15353811).

Almost surely, 2^61415238 is an apocalyptic number.

61415238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61415238 is a wasteful number, since it uses less digits than its factorization.

61415238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235878.

The product of its digits is 5760, while the sum is 30.

The square root of 61415238 is about 7836.7874795735. The cubic root of 61415238 is about 394.5409140549.

The spelling of 61415238 in words is "sixty-one million, four hundred fifteen thousand, two hundred thirty-eight".