61251266 has 8 divisors (see below), whose sum is σ = 93248400. Its totient is φ = 30168468.

The previous prime is 61251251. The next prime is 61251287. The reversal of 61251266 is 66215216.

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

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, 228416 + ... + 228683.

It is an arithmetic number, because the mean of its divisors is an integer number (11656050).

Almost surely, 2^61251266 is an apocalyptic number.

61251266 is a deficient number, since it is larger than the sum of its proper divisors (31997134).

61251266 is a wasteful number, since it uses less digits than its factorization.

61251266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457168.

The product of its digits is 4320, while the sum is 29.

The square root of 61251266 is about 7826.3188026045. The cubic root of 61251266 is about 394.1894740029.

The spelling of 61251266 in words is "sixty-one million, two hundred fifty-one thousand, two hundred sixty-six".