61244425 has 12 divisors (see below), whose sum is σ = 82847376. Its totient is φ = 44541200.

The previous prime is 61244401. The next prime is 61244473. The reversal of 61244425 is 52444216.

It is not a de Polignac number, because 61244425 - 2¹³ = 61236233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61244393 and 61244402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111079 + ... + 111628.

It is an arithmetic number, because the mean of its divisors is an integer number (6903948).

Almost surely, 2^61244425 is an apocalyptic number.

It is an amenable number.

61244425 is a deficient number, since it is larger than the sum of its proper divisors (21602951).

61244425 is a wasteful number, since it uses less digits than its factorization.

61244425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222728 (or 222723 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 61244425 is about 7825.8817394591. The cubic root of 61244425 is about 394.1747981125.

The spelling of 61244425 in words is "sixty-one million, two hundred forty-four thousand, four hundred twenty-five".