61063015 has 8 divisors (see below), whose sum is σ = 78912288. Its totient is φ = 45092640.

The previous prime is 61063003. The next prime is 61063021. The reversal of 61063015 is 51036016.

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

It is a de Polignac number, because none of the positive numbers 2^k-61063015 is a prime.

It is a congruent number.

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, 469651 + ... + 469780.

It is an arithmetic number, because the mean of its divisors is an integer number (9864036).

Almost surely, 2^61063015 is an apocalyptic number.

61063015 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61063015 is a deficient number, since it is larger than the sum of its proper divisors (17849273).

61063015 is a wasteful number, since it uses less digits than its factorization.

61063015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939449.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 61063015 is about 7814.2827565939. The cubic root of 61063015 is about 393.7852226826.

The spelling of 61063015 in words is "sixty-one million, sixty-three thousand, fifteen".