61232615 has 4 divisors (see below), whose sum is σ = 73479144. Its totient is φ = 48986088.

The previous prime is 61232597. The next prime is 61232629. The reversal of 61232615 is 51623216.

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

It is a cyclic number.

It is not a de Polignac number, because 61232615 - 2⁶ = 61232551 is a prime.

It is a Duffinian 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, 6123257 + ... + 6123266.

It is an arithmetic number, because the mean of its divisors is an integer number (18369786).

Almost surely, 2^61232615 is an apocalyptic number.

61232615 is a deficient number, since it is larger than the sum of its proper divisors (12246529).

61232615 is a wasteful number, since it uses less digits than its factorization.

61232615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12246528.

The product of its digits is 2160, while the sum is 26.

The square root of 61232615 is about 7825.1271555164. The cubic root of 61232615 is about 394.1494597321.

The spelling of 61232615 in words is "sixty-one million, two hundred thirty-two thousand, six hundred fifteen".