61025401 has 4 divisors (see below), whose sum is σ = 61057872. Its totient is φ = 60992932.

The previous prime is 61025389. The next prime is 61025413. The reversal of 61025401 is 10452016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (61025389) and next prime (61025413).

It is a cyclic number.

It is not a de Polignac number, because 61025401 - 2⁵ = 61025369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61025441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13231 + ... + 17236.

It is an arithmetic number, because the mean of its divisors is an integer number (15264468).

Almost surely, 2^61025401 is an apocalyptic number.

It is an amenable number.

61025401 is a deficient number, since it is larger than the sum of its proper divisors (32471).

61025401 is a wasteful number, since it uses less digits than its factorization.

61025401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32470.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 61025401 is about 7811.8756390511. The cubic root of 61025401 is about 393.7043505993.

Adding to 61025401 its reverse (10452016), we get a palindrome (71477417).

The spelling of 61025401 in words is "sixty-one million, twenty-five thousand, four hundred one".