61525465 has 8 divisors (see below), whose sum is σ = 78173640. Its totient is φ = 46324992.

The previous prime is 61525459. The next prime is 61525469. The reversal of 61525465 is 56452516.

It can be written as a sum of positive squares in 4 ways, for example, as 14561856 + 46963609 = 3816^2 + 6853^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61525465 - 2¹⁷ = 61394393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61525465.

It is not an unprimeable number, because it can be changed into a prime (61525469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361830 + ... + 361999.

It is an arithmetic number, because the mean of its divisors is an integer number (9771705).

Almost surely, 2^61525465 is an apocalyptic number.

It is an amenable number.

61525465 is a deficient number, since it is larger than the sum of its proper divisors (16648175).

61525465 is a wasteful number, since it uses less digits than its factorization.

61525465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723851.

The product of its digits is 36000, while the sum is 34.

The square root of 61525465 is about 7843.8169917458. The cubic root of 61525465 is about 394.7768113711.

The spelling of 61525465 in words is "sixty-one million, five hundred twenty-five thousand, four hundred sixty-five".