61513414 has 4 divisors (see below), whose sum is σ = 92270124. Its totient is φ = 30756706.

The previous prime is 61513391. The next prime is 61513421. The reversal of 61513414 is 41431516.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15378352 + ... + 15378355.

It is an arithmetic number, because the mean of its divisors is an integer number (23067531).

Almost surely, 2^61513414 is an apocalyptic number.

61513414 is a deficient number, since it is larger than the sum of its proper divisors (30756710).

61513414 is a wasteful number, since it uses less digits than its factorization.

61513414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30756709.

The product of its digits is 1440, while the sum is 25.

The square root of 61513414 is about 7843.0487694518. The cubic root of 61513414 is about 394.7510346947.

The spelling of 61513414 in words is "sixty-one million, five hundred thirteen thousand, four hundred fourteen".