61002025 has 12 divisors (see below), whose sum is σ = 86448832. Its totient is φ = 41829840.

The previous prime is 61002023. The next prime is 61002041. The reversal of 61002025 is 52020016.

It is a happy number.

It is not a de Polignac number, because 61002025 - 2¹ = 61002023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61002023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174117 + ... + 174466.

Almost surely, 2^61002025 is an apocalyptic number.

It is an amenable number.

61002025 is a deficient number, since it is larger than the sum of its proper divisors (25446807).

61002025 is a wasteful number, since it uses less digits than its factorization.

61002025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348600 (or 348595 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 61002025 is about 7810.3793121717. The cubic root of 61002025 is about 393.6540742220.

Subtracting from 61002025 its reverse (52020016), we obtain a square (8982009 = 2997²).

The spelling of 61002025 in words is "sixty-one million, two thousand, twenty-five".