61322425 has 6 divisors (see below), whose sum is σ = 76039838. Its totient is φ = 49057920.

The previous prime is 61322423. The next prime is 61322483. The reversal of 61322425 is 52422316.

It can be written as a sum of positive squares in 3 ways, for example, as 9784384 + 51538041 = 3128^2 + 7179^2 .

It is not a de Polignac number, because 61322425 - 2¹ = 61322423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 2452897 = 61322425 / (6 + 1 + 3 + 2 + 2 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61322425.

It is not an unprimeable number, because it can be changed into a prime (61322423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1226424 + ... + 1226473.

Almost surely, 2^61322425 is an apocalyptic number.

It is an amenable number.

61322425 is a deficient number, since it is larger than the sum of its proper divisors (14717413).

61322425 is a wasteful number, since it uses less digits than its factorization.

61322425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452907 (or 2452902 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 61322425 is about 7830.8636177627. The cubic root of 61322425 is about 394.3420655336.

The spelling of 61322425 in words is "sixty-one million, three hundred twenty-two thousand, four hundred twenty-five".