210148425 has 60 divisors (see below), whose sum is σ = 392339596. Its totient is φ = 111196800.

The previous prime is 210148423. The next prime is 210148451. The reversal of 210148425 is 524841012.

It can be written as a sum of positive squares in 6 ways, for example, as 1750329 + 208398096 = 1323^2 + 14436^2 .

It is not a de Polignac number, because 210148425 - 2¹ = 210148423 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210148423) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 317595 + ... + 318255.

Almost surely, 2^210148425 is an apocalyptic number.

210148425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210148425 is a deficient number, since it is larger than the sum of its proper divisors (182191171).

210148425 is a wasteful number, since it uses less digits than its factorization.

210148425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 210148425 is about 14496.4969906526. The cubic root of 210148425 is about 594.5321982682.

Adding to 210148425 its reverse (524841012), we get a palindrome (734989437).

The spelling of 210148425 in words is "two hundred ten million, one hundred forty-eight thousand, four hundred twenty-five".