61401058 has 4 divisors (see below), whose sum is σ = 92101590. Its totient is φ = 30700528.

The previous prime is 61401037. The next prime is 61401061. The reversal of 61401058 is 85010416.

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

It can be written as a sum of positive squares in only one way, i.e., 61261929 + 139129 = 7827^2 + 373^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15350263 + ... + 15350266.

Almost surely, 2^61401058 is an apocalyptic number.

61401058 is a deficient number, since it is larger than the sum of its proper divisors (30700532).

61401058 is a wasteful number, since it uses less digits than its factorization.

61401058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30700531.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 61401058 is about 7835.8827198983. The cubic root of 61401058 is about 394.5105468856.

It can be divided in two parts, 614010 and 58, that multiplied together give a triangular number (35612580 = T₈₄₃₉).

The spelling of 61401058 in words is "sixty-one million, four hundred one thousand, fifty-eight".