61254245 has 16 divisors (see below), whose sum is σ = 79322880. Its totient is φ = 45140544.

The previous prime is 61254229. The next prime is 61254251. The reversal of 61254245 is 54245216.

It is a cyclic number.

It is not a de Polignac number, because 61254245 - 2⁴ = 61254229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58436 + ... + 59474.

It is an arithmetic number, because the mean of its divisors is an integer number (4957680).

Almost surely, 2^61254245 is an apocalyptic number.

61254245 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61254245 is a deficient number, since it is larger than the sum of its proper divisors (18068635).

61254245 is a wasteful number, since it uses less digits than its factorization.

61254245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964.

The product of its digits is 9600, while the sum is 29.

The square root of 61254245 is about 7826.5091196523. The cubic root of 61254245 is about 394.1958644635.

The spelling of 61254245 in words is "sixty-one million, two hundred fifty-four thousand, two hundred forty-five".