25401030 has 32 divisors (see below), whose sum is σ = 61362144. Its totient is φ = 6729216.

The previous prime is 25401029. The next prime is 25401041. The reversal of 25401030 is 3010452.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2014 + ... + 7406.

It is an arithmetic number, because the mean of its divisors is an integer number (1917567).

Almost surely, 2^25401030 is an apocalyptic number.

25401030 is an abundant number, since it is smaller than the sum of its proper divisors (35961114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25401030 is a wasteful number, since it uses less digits than its factorization.

25401030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 25401030 is about 5039.9434520637. The cubic root of 25401030 is about 293.9569792204.

Adding to 25401030 its reverse (3010452), we get a palindrome (28411482).

It can be divided in two parts, 2540 and 1030, that added together give a triangular number (3570 = T₈₄).

The spelling of 25401030 in words is "twenty-five million, four hundred one thousand, thirty".