61259390 has 8 divisors (see below), whose sum is σ = 110266920. Its totient is φ = 24503752.

The previous prime is 61259389. The next prime is 61259459. The reversal of 61259390 is 9395216.

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

It is a self number, because there is not a number n which added to its sum of digits gives 61259390.

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, 3062960 + ... + 3062979.

It is an arithmetic number, because the mean of its divisors is an integer number (13783365).

Almost surely, 2^61259390 is an apocalyptic number.

61259390 is a deficient number, since it is larger than the sum of its proper divisors (49007530).

61259390 is a wasteful number, since it uses less digits than its factorization.

61259390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6125946.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 61259390 is about 7826.8378033533. The cubic root of 61259390 is about 394.2069008738.

The spelling of 61259390 in words is "sixty-one million, two hundred fifty-nine thousand, three hundred ninety".