61958255 has 8 divisors (see below), whose sum is σ = 75246192. Its totient is φ = 48969088.

The previous prime is 61958233. The next prime is 61958261. The reversal of 61958255 is 55285916.

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

It is a cyclic number.

It is not a de Polignac number, because 61958255 - 2⁶ = 61958191 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 7 ways as a sum of consecutive naturals, for example, 74234 + ... + 75063.

It is an arithmetic number, because the mean of its divisors is an integer number (9405774).

Almost surely, 2^61958255 is an apocalyptic number.

61958255 is a deficient number, since it is larger than the sum of its proper divisors (13287937).

61958255 is a wasteful number, since it uses less digits than its factorization.

61958255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149385.

The product of its digits is 108000, while the sum is 41.

The square root of 61958255 is about 7871.3566175088. The cubic root of 61958255 is about 395.7003118923.

The spelling of 61958255 in words is "sixty-one million, nine hundred fifty-eight thousand, two hundred fifty-five".