61395406 has 4 divisors (see below), whose sum is σ = 92093112. Its totient is φ = 30697702.

The previous prime is 61395401. The next prime is 61395413. The reversal of 61395406 is 60459316.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61395401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15348850 + ... + 15348853.

It is an arithmetic number, because the mean of its divisors is an integer number (23023278).

Almost surely, 2^61395406 is an apocalyptic number.

61395406 is a deficient number, since it is larger than the sum of its proper divisors (30697706).

61395406 is a wasteful number, since it uses less digits than its factorization.

61395406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30697705.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 61395406 is about 7835.5220630153. The cubic root of 61395406 is about 394.4984415457.

The spelling of 61395406 in words is "sixty-one million, three hundred ninety-five thousand, four hundred six".