61425351 has 32 divisors (see below), whose sum is σ = 98784000. Its totient is φ = 37498464.

The previous prime is 61425349. The next prime is 61425361. The reversal of 61425351 is 15352416.

It is not a de Polignac number, because 61425351 - 2¹ = 61425349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61425361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48160 + ... + 49418.

It is an arithmetic number, because the mean of its divisors is an integer number (3087000).

Almost surely, 2^61425351 is an apocalyptic number.

61425351 is a deficient number, since it is larger than the sum of its proper divisors (37358649).

61425351 is a wasteful number, since it uses less digits than its factorization.

61425351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1414 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 61425351 is about 7837.4326791367. The cubic root of 61425351 is about 394.5625686877.

Adding to 61425351 its reverse (15352416), we get a palindrome (76777767).

It can be divided in two parts, 61425 and 351, that added together give a triangular number (61776 = T₃₅₁).

The spelling of 61425351 in words is "sixty-one million, four hundred twenty-five thousand, three hundred fifty-one".