42125351 has 16 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 38494368.

The previous prime is 42125341. The next prime is 42125357. The reversal of 42125351 is 15352124.

It is a cyclic number.

It is not a de Polignac number, because 42125351 - 2⁶ = 42125287 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42125357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49790 + ... + 50628.

It is an arithmetic number, because the mean of its divisors is an integer number (2872800).

Almost surely, 2^42125351 is an apocalyptic number.

42125351 is a deficient number, since it is larger than the sum of its proper divisors (3839449).

42125351 is a wasteful number, since it uses less digits than its factorization.

42125351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958.

The product of its digits is 1200, while the sum is 23.

The square root of 42125351 is about 6490.4045328469. The cubic root of 42125351 is about 347.9481332618.

Adding to 42125351 its reverse (15352124), we get a palindrome (57477475).

The spelling of 42125351 in words is "forty-two million, one hundred twenty-five thousand, three hundred fifty-one".