61225036 has 6 divisors (see below), whose sum is σ = 107143820. Its totient is φ = 30612516.

The previous prime is 61225019. The next prime is 61225037. The reversal of 61225036 is 63052216.

It is a self number, because there is not a number n which added to its sum of digits gives 61225036.

It is not an unprimeable number, because it can be changed into a prime (61225037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7653126 + ... + 7653133.

Almost surely, 2^61225036 is an apocalyptic number.

It is an amenable number.

61225036 is a deficient number, since it is larger than the sum of its proper divisors (45918784).

61225036 is a wasteful number, since it uses less digits than its factorization.

61225036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15306263 (or 15306261 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 61225036 is about 7824.6428672496. The cubic root of 61225036 is about 394.1331972549.

The spelling of 61225036 in words is "sixty-one million, two hundred twenty-five thousand, thirty-six".